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500px-M16A4withANPEQ&ACOG
The M16A4
is the fourth generation of the M16 series.

It was used by the military in White House Down.

DescriptionEdit

It is equipped with a removable carrying handle and a full length quad Picatinny rail for mounting optics and other ancillary devices. The FN M16A4, using safe/semi/burst selective fire, is now the standard issue for all U.S. Marine Corps and is the current issue to Marine Corps' recruits in both MCRD San Diego and MCRD Parris Island.

Military issue rifles are also equipped with a Knight's Armament Company M5 RAS hand guard, allowing vertical grips, lasers, tactical lights, and other accessories to be attached, coining the designation M16A4 MWS (or Modular Weapon System) in U.S. Army field manuals.

The Marine Corps is considering a Product Improvement Program (PIP) for their M16A4 MWS rifles. Potential features include a modular and adjustable stock, ambidextrous fire selector, heavier barrel, improved trigger, free-floating rail system, and an adjustable gas block and gas regulator to give all rifles a suppression capability. Today M4 carbines are often issued in place of the M16 rifles, due to their more compact size and fully automatic capabilities.

Colt also produces M16A4 models for international purchases, with specifics selective fire:

  • R0901 / NSN 1005-01-383-2872 (Safe/Semi/Auto)
  • R0905 (Safe/Semi/Burst)