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data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Iron_sights" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Iron_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Iron sights</span> </div> </a> <ul id="toc-Iron_sights-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Optical_sights" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Optical_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Optical sights</span> </div> </a> <button aria-controls="toc-Optical_sights-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Optical sights subsection</span> </button> <ul id="toc-Optical_sights-sublist" class="vector-toc-list"> <li id="toc-Telescopic_sights" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Telescopic_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Telescopic sights</span> </div> </a> <ul id="toc-Telescopic_sights-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reflector_sights" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Reflector_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Reflector sights</span> </div> </a> <ul id="toc-Reflector_sights-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_types_of_optical_sights" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other_types_of_optical_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Other types of optical sights</span> </div> </a> <ul id="toc-Other_types_of_optical_sights-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-List_of_sights" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#List_of_sights"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>List of sights</span> </div> </a> <ul id="toc-List_of_sights-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" 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(device)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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href="https://az.wikipedia.org/wiki/Ni%C5%9Fangah" title="Nişangah – Azerbaijani" lang="az" hreflang="az" data-title="Nişangah" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D1%80%D1%8B%D1%86%D1%8D%D0%BB" title="Прыцэл – Belarusian" lang="be" hreflang="be" data-title="Прыцэл" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B5%D1%80%D0%BD%D0%B8%D0%BA" title="Мерник – Bulgarian" lang="bg" hreflang="bg" data-title="Мерник" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sigte_(skydev%C3%A5ben)" title="Sigte (skydevåben) – Danish" lang="da" hreflang="da" data-title="Sigte (skydevåben)" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Visier_(Waffe)" title="Visier (Waffe) – German" lang="de" hreflang="de" data-title="Visier (Waffe)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Visor" title="Visor – Spanish" lang="es" hreflang="es" data-title="Visor" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Viseur" title="Viseur – French" lang="fr" hreflang="fr" data-title="Viseur" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A1%B0%EC%A4%80%EA%B8%B0_(%ED%99%94%EA%B8%B0)" title="조준기 (화기) – Korean" lang="ko" hreflang="ko" data-title="조준기 (화기)" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Alat_bidik" title="Alat bidik – Indonesian" lang="id" hreflang="id" data-title="Alat bidik" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Organi_di_mira" title="Organi di mira – Italian" lang="it" hreflang="it" data-title="Organi di mira" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9B%D7%95%D7%95%D7%A0%D7%AA" title="כוונת – Hebrew" lang="he" hreflang="he" data-title="כוונת" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%90%D1%88%D1%8B%D2%9B_%D0%BA%D3%A9%D0%B7%D0%B4%D0%B5%D1%83%D1%96%D1%88" title="Ашық көздеуіш – Kazakh" lang="kk" hreflang="kk" data-title="Ашық көздеуіш" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Vizier_(wapen)" title="Vizier (wapen) – Dutch" lang="nl" hreflang="nl" data-title="Vizier (wapen)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%85%A7%E6%BA%96%E5%99%A8" title="照準器 – Japanese" lang="ja" hreflang="ja" data-title="照準器" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Sikte" title="Sikte – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Sikte" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Mo%CA%BBljallagich_(moslama)" title="Moʻljallagich (moslama) – Uzbek" lang="uz" hreflang="uz" data-title="Moʻljallagich (moslama)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Celownik_strzelecki" title="Celownik strzelecki – Polish" lang="pl" hreflang="pl" data-title="Celownik strzelecki" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Mira_(dispositivo)" title="Mira (dispositivo) – Portuguese" lang="pt" hreflang="pt" data-title="Mira (dispositivo)" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%86%D0%B5%D0%BB" title="Прицел – Russian" lang="ru" hreflang="ru" data-title="Прицел" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%AF%E0%B6%9A%E0%B7%8A%E0%B6%B1%E0%B6%BA_(%E0%B6%8B%E0%B6%B4%E0%B6%9A%E0%B6%BB%E0%B6%AB%E0%B6%BA)" title="දක්නය (උපකරණය) – Sinhala" lang="si" hreflang="si" data-title="දක්නය (උපකරණය)" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Sight_(device)" title="Sight (device) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Sight (device)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/T%C3%A4ht%C3%A4in" title="Tähtäin – Finnish" lang="fi" hreflang="fi" data-title="Tähtäin" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Riktmedel" title="Riktmedel – Swedish" lang="sv" hreflang="sv" data-title="Riktmedel" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ni%C5%9Fang%C3%A2h" title="Nişangâh – Turkish" lang="tr" hreflang="tr" data-title="Nişangâh" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%86%D1%96%D0%BB" title="Приціл – Ukrainian" lang="uk" hreflang="uk" data-title="Приціл" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A8%D8%B5%D8%A7%D8%B1%D8%AA_(%D8%A2%D9%84%DB%81)" title="بصارت (آلہ) – Urdu" lang="ur" hreflang="ur" data-title="بصارت (آلہ)" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%85%A7%E6%BA%96%E5%99%A8" title="照準器 – Chinese" lang="zh" hreflang="zh" data-title="照準器" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1134322#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sight_(device)" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon 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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Visual aiming device</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">"Sights" redirects here. For the rock band, see <a href="/wiki/The_Sights" title="The Sights">The Sights</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:US_Navy_060314-N-4007G-049_A_Canadian_Sea_Cadet_look_through_the_sights_of_a_machine_gun_mounted_on_an_SH-60B_Seahawk_helicopter_assigned_to_Helicopter_Sea_Combat_Squadron_Two_one_(HSC-21).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/US_Navy_060314-N-4007G-049_A_Canadian_Sea_Cadet_look_through_the_sights_of_a_machine_gun_mounted_on_an_SH-60B_Seahawk_helicopter_assigned_to_Helicopter_Sea_Combat_Squadron_Two_one_%28HSC-21%29.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="157" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/40/US_Navy_060314-N-4007G-049_A_Canadian_Sea_Cadet_look_through_the_sights_of_a_machine_gun_mounted_on_an_SH-60B_Seahawk_helicopter_assigned_to_Helicopter_Sea_Combat_Squadron_Two_one_%28HSC-21%29.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/40/US_Navy_060314-N-4007G-049_A_Canadian_Sea_Cadet_look_through_the_sights_of_a_machine_gun_mounted_on_an_SH-60B_Seahawk_helicopter_assigned_to_Helicopter_Sea_Combat_Squadron_Two_one_%28HSC-21%29.jpg/440px-thumbnail.jpg 2x" data-file-width="2100" data-file-height="1500" /></a><figcaption>A <a href="/wiki/Royal_Canadian_Sea_Cadet" class="mw-redirect" title="Royal Canadian Sea Cadet">Royal Canadian Sea Cadet</a> looks through a machine gun sight.</figcaption></figure> <p>A <b>sight</b> or <b>sighting device</b> is any <a href="/wiki/Gadget" title="Gadget">device</a> used to assist in precise <a href="/wiki/Visual_perception" title="Visual perception">visual</a> alignment (i.e. <i>aiming</i>) of weapons, <a href="/wiki/Surveying" title="Surveying">surveying</a> instruments, aircraft equipment,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> optical illumination equipment or larger optical instruments with the intended target. Sights can be a simple set or system of physical markers that serve as visual references for directly aligning the user's <a href="/wiki/Line_of_sight" title="Line of sight">line of sight</a> with the target (such as <a href="/wiki/Iron_sight" class="mw-redirect" title="Iron sight">iron sights</a> on <a href="/wiki/Firearms" class="mw-redirect" title="Firearms">firearms</a>),<sup id="cite_ref-PatrickSweeney_3-0" class="reference"><a href="#cite_note-PatrickSweeney-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> or <a href="/wiki/Optical_instrument" title="Optical instrument">optical instruments</a> that provide an optically enhanced—often <a href="/wiki/Magnification" title="Magnification">magnified</a>—target image aligned in the same <a href="/wiki/Focus_(optics)" title="Focus (optics)">focus</a> with an <a href="/wiki/Aiming_point" title="Aiming point">aiming point</a> (e.g. <a href="/wiki/Telescopic_sight" title="Telescopic sight">telescopic</a>, <a href="/wiki/Reflector_sight" title="Reflector sight">reflector</a> and <a href="/wiki/Holographic_sight" class="mw-redirect" title="Holographic sight">holographic sights</a>). There are also sights that actively project an illuminated point of aim (a.k.a. "hot spot") onto the target itself so it can be observed by anyone with a direct view, such as <a href="/wiki/Laser_sight_(firearms)" title="Laser sight (firearms)">laser sights</a> and <a href="/wiki/Infrared" title="Infrared">infrared</a> illuminators on some <a href="/wiki/Night_vision_device" class="mw-redirect" title="Night vision device">night vision devices</a>,<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2014)">citation needed</span></a></i>]</sup> as well as <a href="/wiki/Augmented_reality" title="Augmented reality">augmented</a> or even <a href="/wiki/Virtual_reality" title="Virtual reality">virtual reality</a>-enabled <a href="/wiki/Digital_camera" title="Digital camera">digital cameras</a> ("smart scopes") with software <a href="/wiki/Algorithm" title="Algorithm">algorithms</a> that produce <a href="/wiki/Digital_imaging" title="Digital imaging">digitally enhanced</a> target images. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Iron_sights">Iron sights</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=1" title="Edit section: Iron sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Visierlinie.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Visierlinie.jpg/220px-Visierlinie.jpg" decoding="async" width="220" height="216" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Visierlinie.jpg/330px-Visierlinie.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Visierlinie.jpg/440px-Visierlinie.jpg 2x" data-file-width="1242" data-file-height="1218" /></a><figcaption>Picture through an aperture (or closed) iron sight on an H&K <a href="/wiki/MP5" class="mw-redirect" title="MP5">MP5</a> submachine gun</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Iron_sights" title="Iron sights">Iron sights</a></div> <p>At its simplest, a sight typically has two components, front and rear aiming pieces that have to be lined up. Sights such as this can be found on many types of devices including weapons, <a href="/wiki/Surveying" title="Surveying">surveying</a> and measuring instruments, and navigational tools. </p><p>On weapons, these sights are usually formed by rugged metal parts, giving them the name "<a href="/wiki/Iron_sights" title="Iron sights">iron sights</a>",<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> as distinct from optical or computing sights.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> On many types of weapons they are built-in and may be fixed, adjustable, or marked for <a href="/wiki/Elevation_(ballistics)" title="Elevation (ballistics)">elevation</a>, <a href="/wiki/Windage" title="Windage">windage</a>, target speed, etc.<sup id="cite_ref-PatrickSweeney_3-1" class="reference"><a href="#cite_note-PatrickSweeney-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> They are also classified in forms of notch (open sight) or aperture (closed sight). These types of sights can require considerable experience and skill, as the user has to hold proper eye position and simultaneously focus on the rear sight, the front sight, and a target, all at different distances, and align all three <i>planes of focus</i>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Optical_sights">Optical sights</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=2" title="Edit section: Optical sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Scope_of_M-91.JPEG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Scope_of_M-91.JPEG/220px-Scope_of_M-91.JPEG" decoding="async" width="220" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Scope_of_M-91.JPEG/330px-Scope_of_M-91.JPEG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/13/Scope_of_M-91.JPEG/440px-Scope_of_M-91.JPEG 2x" data-file-width="2869" data-file-height="1909" /></a><figcaption>A view through a 20× power telescopic sight</figcaption></figure> <p>Optical sights use <a href="/wiki/Optics" title="Optics">optics</a> that give the user an enhanced image with an aligned aiming point or pattern (also called a <a href="/wiki/Reticle" title="Reticle">reticle</a>) <a href="/wiki/Superimpose" class="mw-redirect" title="Superimpose">superimposed</a> onto the target image, preferably at the same <a href="/wiki/Focal_plane" class="mw-redirect" title="Focal plane">focal plane</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Telescopic_sights">Telescopic sights</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=3" title="Edit section: Telescopic sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Telescopic_sight" title="Telescopic sight">Telescopic sight</a></div> <p>A <a href="/wiki/Telescopic_sight" title="Telescopic sight">telescopic sight</a> is a <a href="/wiki/Refracting_telescope" title="Refracting telescope">refracting telescope</a> equipped with some form of <a href="/wiki/Frame_of_reference" title="Frame of reference">referencing</a> pattern (<a href="/wiki/Reticle" title="Reticle">reticle</a>) mounted in an optically appropriate position in the optical system to give an accurate aiming point. Telescopic sights are used on a wide range of devices including <a href="/wiki/Gun" title="Gun">guns</a>, <a href="/wiki/Surveying" title="Surveying">surveying</a> equipment, and even as sights on larger telescopes (called a <a href="/wiki/Finderscope" title="Finderscope">finderscope</a>). </p> <div class="mw-heading mw-heading3"><h3 id="Reflector_sights">Reflector sights</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=4" title="Edit section: Reflector sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main articles: <a href="/wiki/Reflector_sight" title="Reflector sight">Reflector sight</a> and <a href="/wiki/Red_dot_sight" title="Red dot sight">Red dot sight</a></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Mark_III_free_gun_reflector_sight_mk_9_variant_reflex_sight_animation.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/49/Mark_III_free_gun_reflector_sight_mk_9_variant_reflex_sight_animation.gif/220px-Mark_III_free_gun_reflector_sight_mk_9_variant_reflex_sight_animation.gif" decoding="async" width="220" height="190" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/4/49/Mark_III_free_gun_reflector_sight_mk_9_variant_reflex_sight_animation.gif 1.5x" data-file-width="300" data-file-height="259" /></a><figcaption>Mark III free gun reflector sight mk 9 variant</figcaption></figure> <p>Another type of optical sight is the <a href="/wiki/Reflector_sight" title="Reflector sight">reflector (or "<i>reflex</i>") sight</a>, a generally non-<a href="/wiki/Magnification" title="Magnification">magnifying</a> optical device that allows the user to look through a glass element and see a reflection of an illuminated aiming point or some other image superimposed on the <a href="/wiki/Field_of_view" title="Field of view">field of view</a>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> These sights have been around for over 100 years and have been used on all types of weapons and devices. </p><p>Reflector sights were first used as a weapon sight in German aircraft towards the end of <a href="/wiki/World_War_I" title="World War I">World War I</a>. Over the years they became more sophisticated, adding lead computing gyroscopes and electronics (the <a href="/wiki/World_War_II" title="World War II">World War II</a> <a href="/wiki/Gyro_gunsight" title="Gyro gunsight">Gyro gunsight</a>)<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> radar range finding and other flight information in the 1950s and 1960s, eventually becoming the modern <a href="/wiki/Head-up_display" title="Head-up display">head-up display</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Other_types_of_optical_sights">Other types of optical sights</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=5" title="Edit section: Other types of optical sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Collimator_sight" title="Collimator sight">Collimator sight</a></li> <li><a href="/wiki/Holographic_weapon_sight" title="Holographic weapon sight">Holographic weapon sight</a></li> <li><a href="/wiki/Laser_sight_(firearms)" title="Laser sight (firearms)">Laser sight</a></li> <li><a href="/wiki/Red_dot_magnifier" class="mw-redirect" title="Red dot magnifier">Red dot magnifier</a> used in conjunction with a non-magnified optical sight</li></ul> <div class="mw-heading mw-heading2"><h2 id="List_of_sights">List of sights</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=6" title="Edit section: List of sights"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Circumferentor,_Table_of_Surveying,_Cyclopaedia,_Volume_2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/Circumferentor%2C_Table_of_Surveying%2C_Cyclopaedia%2C_Volume_2.jpg/220px-Circumferentor%2C_Table_of_Surveying%2C_Cyclopaedia%2C_Volume_2.jpg" decoding="async" width="220" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/1/1b/Circumferentor%2C_Table_of_Surveying%2C_Cyclopaedia%2C_Volume_2.jpg 1.5x" data-file-width="323" data-file-height="244" /></a><figcaption>A <a href="/wiki/Circumferentor" title="Circumferentor">circumferentor</a> featuring a pair of slotted sights effectively constituting an <a href="/wiki/Alidade" title="Alidade">alidade</a> </figcaption></figure> <p>There are many types of sighting devices. They can be fixed, mechanical, optical, <a href="/wiki/Computer" title="Computer">computational</a>, or a mixture of all of these attributes. </p> <ul><li><a href="/wiki/Bombsight" title="Bombsight">Bombsight</a></li> <li><a href="/wiki/Collimator_sight" title="Collimator sight">Collimator sight</a></li> <li><a href="/wiki/Diopter_sight" title="Diopter sight">Diopter sight</a></li> <li><a href="/wiki/Globe_sight" title="Globe sight">Globe sight</a></li> <li><a href="/wiki/Head-up_display" title="Head-up display">Head-up display</a></li> <li><a href="/wiki/Holographic_weapon_sight" title="Holographic weapon sight">Holographic weapon sight</a></li> <li><a href="/wiki/Iron_sight" class="mw-redirect" title="Iron sight">Iron sight</a></li> <li><a href="/wiki/Laser_sight_(firearms)" title="Laser sight (firearms)">Laser sight</a></li> <li><a href="/wiki/Reflector_sight" title="Reflector sight">Reflector sight</a> <ul><li><a href="/wiki/Gyro_gunsight" title="Gyro gunsight">Gyro gunsight</a></li> <li><a href="/wiki/Red_dot_sight" title="Red dot sight">Red dot sight</a></li></ul></li> <li><a href="/wiki/Telescopic_sight" title="Telescopic sight">Telescopic sight</a></li> <li><a href="/wiki/Thermal_weapon_sight" title="Thermal weapon sight">Thermal weapon sight</a></li> <li><a href="/wiki/Night_vision_device" class="mw-redirect" title="Night vision device">Night vision device</a></li> <li><a href="/wiki/Fire-control_system" title="Fire-control system">Fire-control system</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=7" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Gun_laying" title="Gun laying">Gun laying</a></li> <li><a href="/wiki/Predicted_impact_point" title="Predicted impact point">Predicted impact point</a></li> <li><a href="/wiki/Tritium_radioluminescence" title="Tritium radioluminescence">Tritium radioluminescence</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=8" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.david-gledhill.co.uk/the-phantom/tess/">"TESS :: David Gledhill"</a>. <i>www.david-gledhill.co.uk</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240730153449/https://www.david-gledhill.co.uk/the-phantom/tess/">Archived</a> from the original on 2024-07-30<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-07-28</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.david-gledhill.co.uk&rft.atitle=TESS+%3A%3A+David+Gledhill&rft_id=https%3A%2F%2Fwww.david-gledhill.co.uk%2Fthe-phantom%2Ftess%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://bpag.co.uk/the-day-of-the-j/">"The Way of the J. – British Phantom Aviation Group"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211024121042/https://bpag.co.uk/the-day-of-the-j/">Archived</a> from the original on 2021-10-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-07-28</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+Way+of+the+J.+%E2%80%93+British+Phantom+Aviation+Group&rft_id=https%3A%2F%2Fbpag.co.uk%2Fthe-day-of-the-j%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span></span> </li> <li id="cite_note-PatrickSweeney-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-PatrickSweeney_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-PatrickSweeney_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPatrick_Sweeney2004" class="citation book cs1">Patrick Sweeney (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=7QkvhpRwqgoC&pg=PA185"><i>Gunsmithing – Pistols & Revolvers</i></a>. Krause Publications. p. 185. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-87349-763-3" title="Special:BookSources/978-0-87349-763-3"><bdi>978-0-87349-763-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Gunsmithing+%E2%80%93+Pistols+%26+Revolvers&rft.pages=185&rft.pub=Krause+Publications&rft.date=2004&rft.isbn=978-0-87349-763-3&rft.au=Patrick+Sweeney&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D7QkvhpRwqgoC%26pg%3DPA185&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged April 2023">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRichard_Bowyer1999" class="citation book cs1">Richard Bowyer (1999). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=U2SyST6KUJMC&pg=PA178"><i>Dictionary of Military Terms</i></a>. Taylor & Francis. p. 178. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-57958-156-5" title="Special:BookSources/978-1-57958-156-5"><bdi>978-1-57958-156-5</bdi></a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240730153529/https://books.google.com/books?id=U2SyST6KUJMC&pg=PA178#v=onepage&q&f=false">Archived</a> from the original on 2024-07-30<span class="reference-accessdate">. Retrieved <span class="nowrap">2016-10-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Dictionary+of+Military+Terms&rft.pages=178&rft.pub=Taylor+%26+Francis&rft.date=1999&rft.isbn=978-1-57958-156-5&rft.au=Richard+Bowyer&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DU2SyST6KUJMC%26pg%3DPA178&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://mw3.merriam-webster.com/dictionary/iron%2520sight+define">merriam-webster.com - iron sight - <i>a metallic sight for a gun as distinguished from a sight depending on an optical or computing system</i></a><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged February 2024">dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDan_Shideler2010" class="citation book cs1">Dan Shideler (2010). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=F6qwoLzjlI0C&pg=PA148"><i>Gun Digest 2011</i></a>. F+W Media. p. 148. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4402-1561-2" title="Special:BookSources/978-1-4402-1561-2"><bdi>978-1-4402-1561-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Gun+Digest+2011&rft.pages=148&rft.pub=F%2BW+Media&rft.date=2010&rft.isbn=978-1-4402-1561-2&rft.au=Dan+Shideler&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DF6qwoLzjlI0C%26pg%3DPA148&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged August 2023">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=g_YXAAAAYAAJ&pg=SA8-PA27"><i>Elementary Optics and Application to Fire Control Instruments</i></a>. Headquarters, Department of the Army. 1977. pp. 8–27, 8–28. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20240730153449/https://books.google.com/books?id=g_YXAAAAYAAJ&pg=SA8-PA27#v=onepage&q&f=false">Archived</a> from the original on 2024-07-30<span class="reference-accessdate">. Retrieved <span class="nowrap">2016-10-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Elementary+Optics+and+Application+to+Fire+Control+Instruments&rft.pages=8-27%2C+8-28&rft.pub=Headquarters%2C+Department+of+the+Army&rft.date=1977&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dg_YXAAAAYAAJ%26pg%3DSA8-PA27&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cebudanderson.com/viewfromtheline.htm">"View from the line"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110718205313/http://www.cebudanderson.com/viewfromtheline.htm">Archived</a> from the original on 2011-07-18<span class="reference-accessdate">. Retrieved <span class="nowrap">2007-09-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=View+from+the+line&rft_id=http%3A%2F%2Fwww.cebudanderson.com%2Fviewfromtheline.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASight+%28device%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sight_(device)&action=edit&section=9" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output 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ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Firearms" title="Template:Firearms"><abbr title="View this template" style="color:inherit">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Firearms" title="Template talk:Firearms"><abbr title="Discuss this template" style="color:inherit">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Firearms" title="Special:EditPage/Template:Firearms"><abbr title="Edit this template" style="color:inherit">e</abbr></a></li></ul></div><div id="Firearms_(list,_glossary,_and_topics)" style="font-size:114%;margin:0 4em"><a href="/wiki/Firearm" title="Firearm">Firearms</a> (<a href="/wiki/List_of_firearms" title="List of firearms">list</a>, <a href="/wiki/Glossary_of_firearms_terms" title="Glossary of firearms terms">glossary</a>, and <a href="/wiki/Category:Firearms" title="Category:Firearms">topics</a>)</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Firearm" title="Firearm">Firearm</a> <ul><li><a href="/wiki/Category:Lists_of_firearms" title="Category:Lists of firearms">lists</a></li></ul></li> <li><a href="/wiki/Gun" title="Gun">Gun</a></li> <li><a href="/wiki/History_of_the_firearm" title="History of the firearm">History</a></li> <li><a href="/wiki/Gun_safety" title="Gun safety">Safety</a></li> <li><a href="/wiki/War" title="War">War</a></li> <li><a href="/wiki/Weapon" title="Weapon">Weapon</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Types_of_firearms" style="font-size:114%;margin:0 4em"><a href="/wiki/Firearm#Types" title="Firearm">Types of firearms</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Breechloader" title="Breechloader">Breechloader</a> versus <a href="/wiki/Muzzleloader" title="Muzzleloader">muzzleloader</a></li> <li><a href="/wiki/Combination_guns" class="mw-redirect" title="Combination guns">Combination</a></li> <li><a href="/wiki/Elephant_gun" title="Elephant gun">Elephant</a></li> <li><a href="/wiki/Flare_gun" title="Flare gun">Flare gun</a></li> <li><a href="/wiki/Line_thrower" title="Line thrower">Line thrower</a></li> <li><a href="/wiki/Long_gun" title="Long gun">Long gun</a> <ul><li><a href="/wiki/Carbine" title="Carbine">Carbine</a></li> <li><a href="/wiki/Musket" title="Musket">Musket</a></li> <li><a href="/wiki/Takedown_gun" title="Takedown gun">Takedown</a></li></ul></li> <li><a href="/wiki/Multiple-barrel_firearm" title="Multiple-barrel firearm">Multiple-barrel</a> (<a href="/wiki/List_of_multiple-barrel_firearms" title="List of multiple-barrel firearms">list</a>)</li> <li><a href="/wiki/Needlegun" title="Needlegun">Needler</a></li> <li><a href="/wiki/Net_gun" title="Net gun">Net gun</a></li> <li><a href="/wiki/Pen_gun" title="Pen gun">Pen gun</a></li> <li><a href="/wiki/Riot_gun" title="Riot gun">Riot gun</a></li> <li><a href="/wiki/Rotary_cannon" title="Rotary cannon">Rotary</a></li> <li><a href="/wiki/Single-shot" title="Single-shot">Single-shot</a></li> <li><a href="/wiki/Sleeve_gun" title="Sleeve gun">Sleeve gun</a></li> <li><a href="/wiki/Smoothbore" title="Smoothbore">Smoothbore</a></li> <li><a href="/wiki/Spring-gun" title="Spring-gun">Spring-gun</a></li> <li><a href="/wiki/Underwater_firearm" title="Underwater firearm">Underwater firearm</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Handgun" title="Handgun">Handguns</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cane_gun" title="Cane gun">Cane gun</a></li> <li><a href="/wiki/Derringer" title="Derringer">Derringer</a></li> <li><a href="/wiki/Duelling_pistol" title="Duelling pistol">Duelling</a></li> <li><a href="/wiki/Pistol" title="Pistol">Pistol</a> <ul><li><a href="/wiki/List_of_pistols" title="List of pistols">list</a></li></ul></li> <li><a href="/wiki/Machine_pistol" title="Machine pistol">Machine</a></li> <li><a href="/wiki/Pepper-box" title="Pepper-box">Pepper-box</a></li> <li><a href="/wiki/Pocket_pistol" title="Pocket pistol">Pocket</a></li> <li><a href="/wiki/Revolver" title="Revolver">Revolver</a> <ul><li><a href="/wiki/List_of_revolvers" title="List of revolvers">list</a></li></ul></li> <li><a href="/wiki/Semi-automatic_pistol" title="Semi-automatic pistol">Semi-automatic pistol</a> <ul><li><a href="/wiki/List_of_semi-automatic_pistols" title="List of semi-automatic pistols">list</a></li></ul></li> <li><a href="/wiki/Pistol_caliber_carbine" class="mw-redirect" title="Pistol caliber carbine">Pistol caliber</a> <ul><li><a href="/wiki/Personal_defence_weapon" class="mw-redirect" title="Personal defence weapon">Personal defence weapon</a></li> <li><a href="/wiki/Submachine_gun" title="Submachine gun">Submachine gun</a></li></ul></li> <li><a href="/wiki/Starting_pistol" title="Starting pistol">Starting</a></li> <li><a href="/wiki/Wallet_gun" title="Wallet gun">Wallet gun</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Rifle" title="Rifle">Rifles</a> (<a href="/wiki/List_of_rifles" title="List of rifles">list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anti-materiel_rifle" title="Anti-materiel rifle">Anti-materiel</a></li> <li><a href="/wiki/Anti-tank_rifle" title="Anti-tank rifle">Anti-tank</a></li> <li><a href="/wiki/Assault_rifle" title="Assault rifle">Assault</a> <ul><li><a href="/wiki/List_of_assault_rifles" title="List of assault rifles">list</a></li></ul></li> <li><a href="/wiki/Automatic_rifle" title="Automatic rifle">Automatic</a></li> <li><a href="/wiki/Battle_rifle" title="Battle rifle">Battle</a> <ul><li><a href="/wiki/List_of_battle_rifles" title="List of battle rifles">list</a></li></ul></li> <li><a href="/wiki/Carbine_rifle" class="mw-redirect" title="Carbine rifle">Carbine</a> <ul><li><a href="/wiki/List_of_carbines" title="List of carbines">list</a></li></ul></li> <li><a href="/wiki/Double_rifle" title="Double rifle">Double</a></li> <li><a href="/wiki/Hunting_rifle" class="mw-redirect" title="Hunting rifle">Hunting</a> <ul><li><a href="/wiki/Buffalo_rifle" title="Buffalo rifle">Buffalo</a></li> <li><a href="/wiki/Elephant_rifle" class="mw-redirect" title="Elephant rifle">Elephant</a></li> <li><a href="/wiki/Express_rifle" class="mw-redirect" title="Express rifle">Express</a></li> <li><a href="/wiki/Punt_gun" title="Punt gun">Punt</a></li> <li><a href="/wiki/Varmint_rifle" title="Varmint rifle">Varmint</a></li></ul></li> <li><a href="/wiki/Designated_marksman_rifle" title="Designated marksman rifle">Marksman</a></li> <li><a href="/wiki/Rifling" title="Rifling">Rifling</a> <ul><li><a href="/wiki/Polygonal_rifling" title="Polygonal rifling">Polygonal</a></li></ul></li> <li><a href="/wiki/Repeating_rifle" title="Repeating rifle">Repeating</a></li> <li><a href="/wiki/Sniper_rifle" title="Sniper rifle">Sniper</a> <ul><li><a href="/wiki/List_of_sniper_rifles" title="List of sniper rifles">list</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="/wiki/Machine_gun" title="Machine gun">Machine guns</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/General_purpose_machine_gun" class="mw-redirect" title="General purpose machine gun">General purpose</a></li> <li><a href="/wiki/Light_machine_gun" title="Light machine gun">Light</a></li> <li><a href="/wiki/Medium_machine_gun" title="Medium machine gun">Medium</a></li> <li><a href="/wiki/Heavy_machine_gun" title="Heavy machine gun">Heavy</a></li> <li><a href="/wiki/Squad_automatic_weapon" title="Squad automatic weapon">SAW</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Shotgun" title="Shotgun">Shotguns</a> (<a href="/wiki/List_of_shotguns" title="List of shotguns">list</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Automatic_shotgun" title="Automatic shotgun">Automatic shotgun</a></li> <li><a href="/wiki/Coach_gun" title="Coach gun">Coach gun</a></li> <li><a href="/wiki/Combat_shotgun" title="Combat shotgun">Combat shotgun</a></li> <li><a href="/wiki/Double-barreled_shotgun" title="Double-barreled shotgun">Double-barreled</a></li> <li><a href="/wiki/Pump_action" title="Pump action">Pump action</a></li> <li><a href="/wiki/Riot_shotgun" title="Riot shotgun">Riot</a></li> <li><a href="/wiki/Sawed-off_shotgun" title="Sawed-off shotgun">Sawed-off</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;">Ammunition</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/20-gauge_shotgun" title="20-gauge shotgun">20-gauge shotgun</a></li> <li><a href="/wiki/Breaching_round" title="Breaching round">Breaching round</a></li> <li><a href="/wiki/Dragon%27s_breath_(ammunition)" title="Dragon's breath (ammunition)">Dragon's breath</a></li> <li><a href="/wiki/Shotgun_shell" class="mw-redirect" title="Shotgun shell">Shotgun shell</a> <ul><li><a href="/wiki/.410_bore" title=".410 bore">.410 bore</a></li></ul></li> <li><a href="/wiki/Shot_(pellet)" title="Shot (pellet)">Shot</a></li> <li><a href="/wiki/Shotgun_slug" title="Shotgun slug">Slug</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/History_of_the_firearm" title="History of the firearm">Historic</a> or famous</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AK-47" title="AK-47">AK-47</a></li> <li><a href="/wiki/AR-15_style_rifle" class="mw-redirect" title="AR-15 style rifle">AR-15</a></li> <li><a href="/wiki/M16" class="mw-redirect" title="M16">M16</a></li> <li><a href="/wiki/Antique_firearms" title="Antique firearms">Antique firearms</a></li> <li><a href="/wiki/Gatling_gun" title="Gatling gun">Gatling gun</a></li> <li><a href="/wiki/Winchester_rifle" title="Winchester rifle">Winchester rifle</a></li> <li><a href="/wiki/M1_Garand" title="M1 Garand">M1 Garand</a></li> <li><a href="/wiki/Mauser_rifles" class="mw-redirect" title="Mauser rifles">Mauser rifles</a></li> <li><a href="/wiki/Thompson_submachine_gun" title="Thompson submachine gun">Tommy Gun</a></li> <li><a href="/wiki/MP_40" title="MP 40">MP 40</a></li> <li><a href="/wiki/Uzi" title="Uzi">Uzi</a></li> <li><a href="/wiki/Colt_Single_Action_Army" title="Colt Single Action Army">Colt Peacemaker</a></li> <li><a href="/wiki/M1911" class="mw-redirect" title="M1911">M1911</a></li> <li><a href="/wiki/Glock" title="Glock">Glock</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Mechanics_and_components" style="font-size:114%;margin:0 4em">Mechanics and <a href="/wiki/Category:Firearm_components" title="Category:Firearm components">components</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Category:Firearm_components" title="Category:Firearm components">Components</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gun_barrel" title="Gun barrel">Barrel</a> <ul><li><a href="/wiki/Feed_ramp" title="Feed ramp">Feed ramp</a></li> <li><a href="/wiki/Slug_barrel" title="Slug barrel">Slug</a></li> <li><a href="/wiki/Barrel_threads" title="Barrel threads">Threads</a></li> <li><a href="/wiki/Trunnion" title="Trunnion">Trunnion</a></li></ul></li> <li><a href="/wiki/Bayonet" title="Bayonet">Bayonet</a></li> <li><a href="/wiki/Belt_(firearms)" title="Belt (firearms)">Belt</a></li> <li><a href="/wiki/Blank-firing_adapter" title="Blank-firing adapter">Blank-firing adapter</a></li> <li><a href="/wiki/Breechblock" title="Breechblock">Breechblock</a></li> <li><a href="/wiki/Breechface" title="Breechface">Breechface</a></li> <li><a href="/wiki/Bolt_(firearms)" title="Bolt (firearms)">Bolt</a> <ul><li><a href="/wiki/Rotating_bolt" title="Rotating bolt">Rotating</a></li> <li><a href="/wiki/Telescoping_bolt" title="Telescoping bolt">Telescoping</a></li> <li><a href="/wiki/Flapper_locking" title="Flapper locking">Flapper</a></li> <li><a href="/wiki/Roller_locked" title="Roller locked">Roller</a></li> <li><a href="/wiki/Tilting_bolt" title="Tilting bolt">Tilting</a></li></ul></li> <li><a href="/wiki/Bump_stock" title="Bump stock">Bump stock</a></li> <li><a href="/wiki/Chamber_(firearms)" title="Chamber (firearms)">Chamber</a></li> <li><a href="/wiki/Cocking_handle" title="Cocking handle">Cocking handle</a></li> <li><a href="/wiki/Cylinder_(firearms)" title="Cylinder (firearms)">Cylinder</a></li> <li><a href="/wiki/Extractor_(firearms)" title="Extractor (firearms)">Extractor</a></li> <li><a href="/wiki/Firing_pin" title="Firing pin">Firing pin</a></li> <li><a href="/wiki/Flash_suppressor" title="Flash suppressor">Flash suppressor</a></li> <li><a href="/wiki/Fluting_(firearms)" title="Fluting (firearms)">Fluting</a></li> <li><a href="/wiki/Forward_assist" title="Forward assist">Forward assist</a></li> <li><a href="/wiki/Freebore" title="Freebore">Freebore</a></li> <li><a href="/wiki/Forearm_(firearm_component)" title="Forearm (firearm component)">Forearm</a></li> <li><a href="/wiki/Vertical_forward_grip" title="Vertical forward grip">Foregrip</a></li> <li><a href="/wiki/Hammer_(firearms)" title="Hammer (firearms)">Hammer</a> <ul><li><a href="/wiki/Half-cock" title="Half-cock">Half-cock</a></li> <li><a href="/wiki/Hammer_(firearms)#Linear_hammer" title="Hammer (firearms)">Linear</a></li> <li><a href="/wiki/Hammer_(firearms)#Striker" title="Hammer (firearms)">Striker</a></li></ul></li> <li><a href="/wiki/Lock_(firearm)" title="Lock (firearm)">Lock</a> <ul><li><a href="/wiki/Flintlock" title="Flintlock">Flintlock</a></li> <li><a href="/wiki/Wheellock" title="Wheellock">Wheellock</a></li></ul></li> <li><a href="/wiki/Magazine_(firearms)" title="Magazine (firearms)">Magazine</a> <ul><li><a href="/wiki/Bottom_metal" title="Bottom metal">Bottom metal</a></li> <li><a href="/wiki/Clip_(firearms)" title="Clip (firearms)">Clip</a></li> <li><a href="/wiki/Drum_magazine" title="Drum magazine">Drum</a></li> <li><a href="/wiki/High-capacity_magazine" title="High-capacity magazine">High-capacity</a></li> <li><a href="/wiki/Speedloader" title="Speedloader">Speedloader</a></li> <li><a href="/wiki/Stripper_clip" title="Stripper clip">Stripper clip</a></li></ul></li> <li><a href="/wiki/Muzzle_brake" title="Muzzle brake">Muzzle brake</a></li> <li><a href="/wiki/Muzzle_shroud" title="Muzzle shroud">Muzzle shroud</a></li> <li><a href="/wiki/Pistol_grip" title="Pistol grip">Pistol grip</a></li> <li><a href="/wiki/Pistol_slide" title="Pistol slide">Pistol slide</a></li> <li><a href="/wiki/Rail_system_(firearms)" class="mw-redirect" title="Rail system (firearms)">Rail system</a></li> <li><a href="/wiki/Receiver_(firearms)" title="Receiver (firearms)">Receiver</a></li> <li><a href="/wiki/Recoil_pad" title="Recoil pad">Recoil pad</a></li> <li><a href="/wiki/Rim_(firearms)" title="Rim (firearms)">Rim</a></li> <li><a href="/wiki/Safety_(firearms)" title="Safety (firearms)">Safety</a></li> <li><a href="/wiki/Sear_(firearm)" title="Sear (firearm)">Sear</a> <ul><li><a href="/wiki/Auto_sear" title="Auto sear">Auto sear</a></li></ul></li> <li><a href="/wiki/Barrel_shroud" title="Barrel shroud">Shroud</a></li> <li><a href="/wiki/Silencer_(firearms)" title="Silencer (firearms)">Silencer</a></li> <li><a href="/wiki/Squeeze_bore" title="Squeeze bore">Squeeze bore</a></li> <li><a href="/wiki/Choke_(firearms)" title="Choke (firearms)">Choke</a></li> <li><a href="/wiki/Stock_(firearms)" title="Stock (firearms)">Stock</a></li> <li><a href="/wiki/Synchronization_gear" title="Synchronization gear">Synchronization gear</a></li> <li><a href="/wiki/Tapering_(firearms)" title="Tapering (firearms)">Tapering</a></li> <li><a href="/wiki/Trigger_(firearms)" title="Trigger (firearms)">Trigger</a> <ul><li><a href="/wiki/Trigger_guard" title="Trigger guard">guard</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a class="mw-selflink selflink">Sights</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diopter_sight" title="Diopter sight">Diopter</a></li> <li><a href="/wiki/Finderscope" title="Finderscope">Finderscope</a></li> <li><a href="/wiki/Globe_sight" title="Globe sight">Globe</a></li> <li><a href="/wiki/Holographic_weapon_sight" title="Holographic weapon sight">Holographic</a></li> <li><a href="/wiki/Iron_sights" title="Iron sights">Iron</a></li> <li><a href="/wiki/Laser_sight_(firearms)" title="Laser sight (firearms)">Laser</a></li> <li><a href="/wiki/Reticle" title="Reticle">Reticle</a></li> <li><a href="/wiki/Reflex_sight" class="mw-redirect" title="Reflex sight">Reflex</a> <ul><li><a href="/wiki/Red_dot_sight" title="Red dot sight">Red dot</a></li></ul></li> <li><a href="/wiki/Sight_magnifier" title="Sight magnifier">Magnifier</a></li> <li><a href="/wiki/Scope_mount" title="Scope mount">Scope mount</a></li> <li><a href="/wiki/Tang_sight" title="Tang sight">Tang</a></li> <li><a href="/wiki/Telescopic_sight" title="Telescopic sight">Telescopic</a></li> <li><a href="/wiki/Night-vision_device" title="Night-vision device">Night vision</a></li> <li><a href="/wiki/Thermal_weapon_sight" title="Thermal weapon sight">Thermal</a></li> <li><a href="/wiki/Sighting_in" title="Sighting in">Zeroing</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Action_(firearms)" title="Action (firearms)">Actions</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blowback_(firearms)" title="Blowback (firearms)">Blowback</a></li> <li><a href="/wiki/Blow-forward" class="mw-redirect" title="Blow-forward">Blow-forward</a></li> <li><a href="/wiki/Bolt_action" title="Bolt action">Bolt</a></li> <li><a href="/wiki/Boxlock_action" title="Boxlock action">Boxlock</a></li> <li><a href="/wiki/Breechloader" title="Breechloader">Breechloading</a></li> <li><a href="/wiki/Break_action" title="Break action">Break</a></li> <li><a href="/wiki/Open_bolt" title="Open bolt">Open bolt</a></li> <li><a href="/wiki/Closed_bolt" title="Closed bolt">Closed bolt</a></li> <li><a href="/wiki/Electronic_firing" title="Electronic firing">Electronic</a></li> <li><a href="/wiki/Gas-operated_reloading" title="Gas-operated reloading">Gas-operated</a></li> <li><a href="/wiki/Lever_action" title="Lever action">Lever</a></li> <li><a href="/wiki/Muzzleloader" title="Muzzleloader">Muzzleloading</a></li> <li><a href="/wiki/Out-of-battery" title="Out-of-battery">Out-of-battery</a></li> <li><a href="/wiki/Pump_action" title="Pump action">Pump</a></li> <li><a href="/wiki/Push_feed_and_controlled_feed" title="Push feed and controlled feed">Push/Controlled feed</a></li> <li><a href="/wiki/Recoil_operation" title="Recoil operation">Recoil-operated</a></li> <li><a href="/wiki/Repeating_firearm" title="Repeating firearm">Repeating</a></li> <li><a href="/wiki/Revolver" title="Revolver">Revolver</a></li> <li><a href="/wiki/Self-loading_rifle" title="Self-loading rifle">Self-loading</a></li> <li><a href="/wiki/Single-shot" title="Single-shot">Single-shot</a></li> <li><a href="/wiki/Slamfire" title="Slamfire">Slamfire</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Physics_of_firearms" title="Physics of firearms">Physics</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ballistics" title="Ballistics">Ballistics</a> <ul><li><a href="/wiki/Ballistic_coefficient" title="Ballistic coefficient">Ballistic coefficient</a></li> <li><a href="/wiki/External_ballistics" title="External ballistics">External</a></li> <li><a href="/wiki/Terminal_ballistics" title="Terminal ballistics">Terminal</a></li> <li><a href="/wiki/Transitional_ballistics" title="Transitional ballistics">Transitional</a></li></ul></li> <li><a href="/wiki/Physics_of_firearms" title="Physics of firearms">Physics of firearms</a></li> <li><a href="/wiki/Rangefinder" title="Rangefinder">Rangefinding/keeping</a> <ul><li><a href="/wiki/Mathematical_discussion_of_rangekeeping" title="Mathematical discussion of rangekeeping">Mathematics</a></li> <li><a href="/wiki/Stadiametric_rangefinding" title="Stadiametric rangefinding">Stadiametric</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Metrics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Accurizing" title="Accurizing">Accurizing</a></li> <li><a href="/wiki/Bore_axis" title="Bore axis">Bore axis</a></li> <li><a href="/wiki/Caliber" title="Caliber">Caliber</a></li> <li><a href="/wiki/Circular_error_probable" title="Circular error probable">Circular error probable</a></li> <li><a href="/wiki/Effective_range#Weapons" title="Effective range">Effective range</a></li> <li><a href="/wiki/Gauge_(firearms)" title="Gauge (firearms)">Gauge</a></li> <li><a href="/wiki/Gun_chronograph" title="Gun chronograph">Gun chronograph</a></li> <li><a href="/wiki/Gun_harmonisation" title="Gun harmonisation">Gun harmonisation</a></li> <li><a href="/wiki/Headspace_(firearms)" title="Headspace (firearms)">Headspace</a></li> <li><a href="/wiki/Length_of_pull" title="Length of pull">Length of pull</a></li> <li><a href="/wiki/Lock_time" title="Lock time">Lock time</a></li> <li><a href="/wiki/Match_grade" title="Match grade">Match grade</a></li> <li><a href="/wiki/Mean_time_between_failures" title="Mean time between failures">Mean time between failures</a></li> <li><a href="/wiki/Minute_and_second_of_arc#Firearms" title="Minute and second of arc">Minute of Angle (MOA)</a></li> <li><a href="/wiki/Muzzle_(firearms)" class="mw-redirect" title="Muzzle (firearms)">Muzzle</a> <ul><li><a href="/wiki/Muzzle_energy" title="Muzzle energy">Energy</a></li> <li><a href="/wiki/Muzzle_rise" title="Muzzle rise">Rise</a></li> <li><a href="/wiki/Muzzle_velocity" title="Muzzle velocity">Velocity</a></li></ul></li> <li><a href="/wiki/Penetration_(weaponry)" title="Penetration (weaponry)">Penetration</a></li> <li><a href="/wiki/Power_factor_(shooting_sports)" title="Power factor (shooting sports)">Power factor</a></li> <li><a href="/wiki/Precision-guided_firearm" title="Precision-guided firearm">Precision-guided</a></li> <li><a href="/wiki/Rate_of_fire" title="Rate of fire">Rate of fire</a></li> <li><a href="/wiki/Recoil" title="Recoil">Recoil</a></li> <li><a href="/wiki/Shot_grouping" title="Shot grouping">Group</a></li> <li><a href="/wiki/Stock_(firearms)#Stock_measurements" title="Stock (firearms)">Stock measurements</a></li> <li><a href="/wiki/Stopping_power" title="Stopping power">Stopping power</a> <ul><li><a href="/wiki/Handgun_effectiveness" title="Handgun effectiveness">Handgun effectiveness</a></li></ul></li> <li><a href="/wiki/Rifling#Twist_rate" title="Rifling">Twist rate</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Shooting_and_ammunition" style="font-size:114%;margin:0 4em"><a href="/wiki/Shooting" title="Shooting">Shooting</a> and <a href="/wiki/Ammunition" title="Ammunition">ammunition</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Gunshot" title="Gunshot">Gunshot</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dry_fire" title="Dry fire">Dry fire</a></li> <li><a href="/wiki/Shooting" title="Shooting">Firing (Shooting)</a></li> <li><a href="/wiki/Gunshot" title="Gunshot">Gunshot</a></li> <li><a href="/wiki/Shootout" title="Shootout">Firefight</a></li> <li><a href="/wiki/Firearm_maintenance" title="Firearm maintenance">Maintenance</a> <ul><li><a href="/wiki/Field_strip" title="Field strip">Field strip</a></li> <li><a href="/wiki/Fouling" title="Fouling">Fouling</a></li></ul></li> <li><a href="/wiki/Firearm_malfunction" title="Firearm malfunction">Malfunction</a> <ul><li><a href="/wiki/Cooking_off" title="Cooking off">Cooking off</a></li> <li><a href="/wiki/Hang_fire" title="Hang fire">Hang fire</a></li> <li><a href="/wiki/Squib_load" title="Squib load">Squib load</a></li></ul></li> <li><a href="/wiki/Ricochet" title="Ricochet">Ricochet</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;">Ignition</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fire_forming" title="Fire forming">Fire forming</a></li> <li><a href="/wiki/Obturation" title="Obturation">Obturation</a></li> <li><a href="/wiki/Primer_(firearms)" title="Primer (firearms)">Primer</a> <ul><li><a href="/wiki/Gunpowder" title="Gunpowder">Gunpowder</a></li> <li><a href="/wiki/Percussion_cap" title="Percussion cap">Percussion cap</a></li> <li><a href="/wiki/Rimfire_ammunition" title="Rimfire ammunition">Rimfire</a></li> <li><a href="/wiki/Tubes_and_primers_for_ammunition" title="Tubes and primers for ammunition">Tubes and Primers</a></li></ul></li> <li><a href="/wiki/Firearm_propellant" title="Firearm propellant">Propellant</a> <ul><li><a href="/wiki/Ball_propellant" title="Ball propellant">Ball propellant</a></li> <li><a href="/wiki/Cordite" title="Cordite">Cordite</a></li> <li><a href="/wiki/Improved_military_rifle_powder" title="Improved military rifle powder">Improved Military Rifle</a></li> <li><a href="/wiki/Ramrod" title="Ramrod">Ramrod</a></li> <li><a href="/wiki/Smokeless_powder" title="Smokeless powder">Smokeless powder</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ammunition" title="Ammunition">Ammunition</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cannelure" title="Cannelure">Cannelure</a></li> <li><a href="/wiki/Dummy_round" title="Dummy round">Dummy round</a> <ul><li><a href="/wiki/Snap_cap" title="Snap cap">Snap cap</a></li></ul></li> <li><a href="/wiki/Flechette" title="Flechette">Flechette</a></li> <li><a href="/wiki/Gas_check" title="Gas check">Gas check</a></li> <li><a href="/wiki/Overpressure_ammunition" title="Overpressure ammunition">Overpressure ammunition</a></li> <li><a href="/wiki/Polymer-cased_ammunition" title="Polymer-cased ammunition">PCA</a></li> <li><a href="/wiki/Sabot_(firearms)" title="Sabot (firearms)">Sabot</a></li> <li><a href="/wiki/Wadding" title="Wadding">Wadding</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="/wiki/Bullet" title="Bullet">Bullets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Armor-piercing_bullet" title="Armor-piercing bullet">Armour piercing</a></li> <li><a href="/wiki/Cast_bullet" title="Cast bullet">Cast</a></li> <li><a href="/wiki/Expanding_bullet" title="Expanding bullet">Expanding</a></li> <li><a href="/wiki/Full_metal_jacket_(ammunition)" title="Full metal jacket (ammunition)">Full metal jacket</a></li> <li><a href="/wiki/Frangible_bullet" title="Frangible bullet">Frangible</a></li> <li><a href="/wiki/Green_bullet" title="Green bullet">Green</a></li> <li><a href="/wiki/Incendiary_ammunition" title="Incendiary ammunition">Incendiary</a></li> <li><a href="/wiki/High-explosive_incendiary" title="High-explosive incendiary">High explosive</a></li> <li><a href="/wiki/High-explosive_incendiary/armor-piercing_ammunition" title="High-explosive incendiary/armor-piercing ammunition">HEIAP</a></li> <li><a href="/wiki/Projectile" title="Projectile">Projectile</a></li> <li><a href="/wiki/Raufoss_Mk_211" title="Raufoss Mk 211">Raufoss</a></li> <li><a href="/wiki/Round_shot" title="Round shot">Round shot</a></li> <li><a href="/wiki/Saboted_light_armor_penetrator" title="Saboted light armor penetrator">SLAP</a></li> <li><a href="/wiki/Soft-point_bullet" title="Soft-point bullet">Soft point</a></li> <li><a href="/wiki/Supercavitating_ammunition" class="mw-redirect" title="Supercavitating ammunition">Supercavitating</a></li> <li><a href="/wiki/Total_metal_jacket" title="Total metal jacket">Total metal jacket</a></li> <li><a href="/wiki/Tracer_ammunition" title="Tracer ammunition">Tracer</a></li> <li><a href="/wiki/Hollow-base_bullet" title="Hollow-base bullet">Hollow base</a></li> <li><a href="/wiki/Hollow-point_bullet" title="Hollow-point bullet">Hollow point</a></li> <li><a href="/wiki/Mini%C3%A9_ball" title="Minié ball">Minié</a></li> <li><a href="/wiki/Meplat" title="Meplat">Meplat</a></li> <li><a href="/wiki/Plastic-tipped_bullet" title="Plastic-tipped bullet">Plastic tipped</a></li> <li><a href="/wiki/Armour-piercing,_capped,_ballistic_capped_shell" title="Armour-piercing, capped, ballistic capped shell">ABCBC</a></li> <li><a href="/wiki/Snake_shot" title="Snake shot">Snake shot</a></li> <li><a href="/wiki/Spitzer_(bullet)" title="Spitzer (bullet)">Spitzer</a></li> <li><a href="/wiki/Very-low-drag_bullet" title="Very-low-drag bullet">VLD</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;font-weight:normal;"><a href="/wiki/Cartridge_(firearms)" title="Cartridge (firearms)">Cartridges</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blank_(cartridge)" title="Blank (cartridge)">Blank</a></li> <li><a href="/wiki/Caseless_ammunition" title="Caseless ammunition">Caseless</a></li> <li><a href="/wiki/Centerfire_cartridge" class="mw-redirect" title="Centerfire cartridge">Centrefire</a></li> <li><a href="/wiki/Handloading" title="Handloading">Handloading</a></li> <li><a href="/wiki/Rifle_cartridge" title="Rifle cartridge">Rifle cartridge</a> <ul><li><a href="/wiki/Fully_powered_cartridge" title="Fully powered cartridge">Fully powered</a></li> <li><a href="/wiki/Intermediate_cartridge" title="Intermediate cartridge">Intermediate</a></li> <li><a href="/wiki/List_of_rifle_cartridges" title="List of rifle cartridges">list</a></li></ul></li> <li><a href="/wiki/Paper_cartridge" title="Paper cartridge">Paper</a></li> <li><a href="/wiki/Pinfire_cartridge" title="Pinfire cartridge">Pinfire</a></li> <li><a href="/wiki/Wildcat_cartridge" title="Wildcat cartridge">Wildcat</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible expanded navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Society,_safety,_industry,_and_laws" style="font-size:114%;margin:0 4em"><a href="/wiki/Gun_cultures" title="Gun cultures">Society</a>, <a href="/wiki/Gun_safety" title="Gun safety">safety</a>, <a href="/wiki/Firearm_industry" class="mw-redirect" title="Firearm industry">industry</a>, and <a href="/wiki/Overview_of_gun_laws_by_nation" title="Overview of gun laws by nation">laws</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Gun_cultures" title="Gun cultures">Society</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Celebratory_gunfire" title="Celebratory gunfire">Celebratory gunfire</a></li> <li><a href="/wiki/Gun_ownership" title="Gun ownership">Civilian gun ownership</a> <ul><li><a href="/wiki/Percent_of_households_with_guns_by_country" title="Percent of households with guns by country">Household ownership rates</a></li></ul></li> <li><a href="/wiki/Exhibition_shooting" title="Exhibition shooting">Exhibition shooting</a></li> <li><a href="/wiki/Gun_cultures" title="Gun cultures">Gun cultures</a> <ul><li><a href="/wiki/Gun_culture_in_the_United_States" title="Gun culture in the United States">United States</a></li> <li><a href="/wiki/Gun_shows_in_the_United_States" title="Gun shows in the United States">Gun shows</a></li> <li><a href="/wiki/List_of_U.S._state_firearms" title="List of U.S. state firearms">State firearms</a></li></ul></li> <li><a href="/wiki/Hunting" title="Hunting">Hunting</a></li> <li><a href="/wiki/Jungle_style_(firearm_magazines)" class="mw-redirect" title="Jungle style (firearm magazines)"><i>Jungle style</i></a></li> <li><a href="/wiki/Pistol_duelling" class="mw-redirect" title="Pistol duelling">Pistol duelling</a></li> <li><a href="/wiki/Index_of_gun_politics_articles" title="Index of gun politics articles">Politics</a></li> <li><a href="/wiki/Shooting_sports" title="Shooting sports">Shooting sports</a> <ul><li><a href="/wiki/Civilian_Marksmanship_Program" title="Civilian Marksmanship Program">Civilian Marksmanship Program</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Gun_violence" title="Gun violence">Gun violence</a><br />and <a href="/wiki/Gun_safety" title="Gun safety">safety</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gun_violence_in_the_United_States" title="Gun violence in the United States">in the United States</a></li> <li><a href="/wiki/List_of_assassinations_by_firearm" title="List of assassinations by firearm">Assassinations</a></li> <li><a href="/wiki/List_of_countries_by_firearm-related_death_rate" class="mw-redirect" title="List of countries by firearm-related death rate">Deaths</a></li> <li><a href="/wiki/Forensic_firearm_examination" title="Forensic firearm examination">Forensics</a></li> <li><a href="/wiki/Gunfighter" title="Gunfighter">Gunfighter</a></li> <li><a href="/wiki/Gun_safety" title="Gun safety">Gun safety</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Firearm_industry" class="mw-redirect" title="Firearm industry">Firearm industry</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3D_printed_firearm" title="3D printed firearm">3D printed firearm</a> <ul><li><a href="/wiki/List_of_3D_printed_weapons_and_parts" title="List of 3D printed weapons and parts">list</a></li></ul></li> <li><a href="/wiki/List_of_firearm_brands" title="List of firearm brands">Firearm brands</a></li> <li><a href="/wiki/Category:Firearms_by_country" title="Category:Firearms by country">Firearms by country</a></li> <li><a href="/wiki/Gun_shop" title="Gun shop">Gun shops</a> <ul><li><a href="/wiki/Category:Firearm_commerce" title="Category:Firearm commerce">list</a></li></ul></li> <li><a href="/wiki/Gunsmith" title="Gunsmith">Gunsmith</a></li> <li><a href="/wiki/Improvised_firearm" title="Improvised firearm">Improvised firearm</a></li> <li><a href="/wiki/List_of_most-produced_firearms" title="List of most-produced firearms">Most-produced</a></li> <li><a href="/wiki/Privately_made_firearm" class="mw-redirect" title="Privately made firearm">Privately made</a></li> <li><a href="/wiki/Small_arms_trade" title="Small arms trade">Small arms trade</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Arms_control" title="Arms control">Arms control</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arms_control" title="Arms control">Arms</a> and <a href="/wiki/Gun_control" title="Gun control">Gun control</a> <ul><li><a href="/wiki/Disarmament" title="Disarmament">Disarmament</a></li> <li><a href="/wiki/Campaign_Against_Arms_Trade" title="Campaign Against Arms Trade">Campaign Against Arms Trade</a></li></ul></li> <li><a href="/wiki/Featureless_rifles" title="Featureless rifles">Featureless rifles</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Overview_of_gun_laws_by_nation" title="Overview of gun laws by nation">Gun laws</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Air_travel_with_firearms_and_ammunition" title="Air travel with firearms and ammunition">Air travel</a></li> <li><a href="/wiki/Assault_weapons" class="mw-redirect" title="Assault weapons">Assault weapons</a></li> <li><a href="/wiki/Concealed_carry" 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