What is M16 rifle?
{{Use dmy dates|date=May 2019}} {{Infobox weapon | name = Rifle, 5.56&nbsp;mm, M16 | image = M16a1m16a2m4m16a45wi.jpg | caption = From top to bottom: M16A1, M16A2, [[M4 carbine|M4A1]], M16A4 | origin = United States <!-- WP:INFOBOXFLAG --> | type = [[Assault rifle]] <!-- Type selection -->| is_ranged = Yes <!-- Service history -->| service = 1963–present | used_by = See ''[[#Users|Users]]'' | wars = [[Vietnam War]]<br>[[Laotian Civil War]]<br>[[Cambodian Civil War]]<br>[[The Troubles]]<br>[[Cambodian–Vietnamese War]]<br>[[Communist Insurgency War]]<br>[[Lebanese Civil War]]<br>[[Salvadoran Civil War]]<br>[[Falklands War]]<br>[[1982 Lebanon War]]<br>[[Invasion of Grenada]]<br>[[South Lebanon conflict (1985–2000)]]<br>[[Bougainville Civil War]]<br>[[United States invasion of Panama]]<br>[[Oka Crisis]]<br>[[Gulf War|Persian Gulf War]]<br>[[Yugoslav Wars]]<br>[[Somali Civil War]]<br>[[Operation Deny Flight]]<br>[[Operation Joint Endeavor]]<br>[[Nepalese Civil War]]<br>[[1996 Gangneung submarine infiltration incident]]<br>[[Kosovo War]]<br>[[War in Afghanistan (2001–14)|War in Afghanistan]]<br>[[Iraq War]]<br>[[2006 Lebanon War]]<br>[[Mexican Drug War]]<br>[[2010 Rio de Janeiro Security Crisis]]<br>[[Syrian civil war]]<br>[[Gaza–Israel conflict]]<br>[[2013 Lahad Datu standoff]]<br>[[2014 pro-Russian unrest in Ukraine]]<br>[[Iraq War (2014–present)]] <!-- Production history -->| designer = [[Eugene Stoner]] and [[L. James Sullivan]]<ref>{{Cite journal |title=Focus on Basics, Urges Small Arms Designer |first=Virginia Hart |last=Ezell |date=November 2001 |journal=National Defense |publisher=National Defense Industrial Association |url=http://www.nationaldefensemagazine.org/archive/2001/November/Pages/Focus_on4174.aspx |access-date=2014-05-26 |archive-date=2010-12-07 |archive-url=https://web.archive.org/web/20101207022745/http://www.nationaldefensemagazine.org/ARCHIVE/2001/NOVEMBER/Pages/Focus_on4174.aspx |url-status=dead }}</ref> | design_date = 1956<ref name=Hogg2000_p291>{{Cite book |title=Military Small Arms of the 20