Editing M16 rifle (section)

===M16A3===
[[File:US Navy 071130-N-0555B-073 Aviation Boatswain's Mate (handling) Airman Jaime Chamorro fires an M-16.jpg|thumb|M16A3 with a Safe/Semi/Auto trigger group]]

The M16A3 is a modified version of the M16A2 adopted in small numbers by the U.S. Navy [[United States Navy SEALs|SEALs]], [[Seabee (United States Navy)|Seabees]], some US security units,{{sfnp|''Defense Industry Daily''|2008}} and the [[Philippine National Police]].<ref name="auto">{{cite web | url=https://pmddtc.state.gov/reports/congnotices/108/CN006-04.pdf | archive-url=https://web.archive.org/web/20111016225158/https://pmddtc.state.gov/reports/congnotices/108/CN006-04.pdf | archive-date=16 October 2011 | title=Home - DDTC Public Portal - DDTC Public Portal }}</ref> It features the M16A1 selective fire control group providing "safe", "semi-automatic" and "fully automatic" modes, and type-specific markings on the magazine well. Otherwise, it is externally identical to the M16A2, and should not be conflated with rifles built by armorers using existing full-auto lower receiver assemblies, or M16A1s retrofitted with newer M16A2 furniture.