The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a United States military adaptation of the ArmaLite AR-15 rifle. The original M16 was a 5.56mm automatic rifle with a 20-round magazine.
M16 Full Auto Suppressed
An Overview of the M16/AR15 series of rifles and carbines
M16 RIFLE 5.56mm USA 223 BORE ORIGINAL | PAKISTAN
BBC Documentary Films || M16 Rifle Weapon Best Military Assault Firearm