M16 rifle

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Rifle, Caliber 5.56 mm, M16
Frae top tae bottom: M16A1, M16A2, M4A1, M16A4
Teep	Assaut rifle
Place o oreegin	United States
Service history
In service	1964–present[1]
Wars	Vietnam War Laotian Ceevil War Cambodie Ceevil War Moro conflict Cambodie-Vietnamese War Lebanese Ceevil War Salvadoran Ceevil War Somali Ceevil War The Tribbles First Liberie Ceevil War[2] Gulf War Seicont Liberie Ceevil War War in Afghanistan Iraq War Iraqi Ceevil War (2014-present)[3] Sirian Ceevil War [4] Battle o Marawi[5]
Production history
Designer	Eugene Stoner an L. James Sullivan[6]
Designed	1956[7]
Manufacturer	Colt's Manufacturing Company Daewoo Precision Industries FN Herstal H&R Firearms General Motors Hydramatic Division Elisco U.S. Ordnance
Produced	As the Armalite AR-15 frae 1959 tae 1964[7] As the Colt M16 rifle frae 1964 tae present[1]
No. biggit	c. 8 million[8]
Variants	See Leet o Colt AR-15 an M16 rifle variants
Specifications (M16)
Wecht	6.37 lb (2.89 kg) (unlaidit) 7.5 lb (3.40 kg) (laidit)
Lenth	39.5 in (1,003 mm)
Baurel lenth	20 in (508 mm)
Cartridge	5.56×45mm NATO
Action	Gas-operatit, rotatin bowt (direct impingement)
Rate o fire	700–950 roonds/meen cyclic sustained 45–60 roonds/meen semi-automatic
Muzzle velocity	3,150 ft/s (960 m/s) (M855A1 roond)[9]
Effective firin range	550 m (601 yd) (pynt target)[10] 800 m (875 yd) (aurie target)[11]
Maximum firin range	3,600 m (3,937 yd)
Feed seestem	20-roond detachable box magazine: 0.211 lb (96 g) emptie / 0.738 lb (335 g) full 30-roond detachable box magazine: 0.257 lb (117 g) emptie / 1.06 lb (480 g) full) Beta C-Mag 100-roond dooble-lobed drum: 2.20 lb (1,000 g) emptie / 4.81 lb (2,180 g) full)
Sichts	Airn sichts or various optics

The M16 rifle, offeecially designatit Rifle, Caliber 5.56 mm, M16, is a Unitit States militar adaptation o the ArmaLite AR-15 rifle.^{[12][13][14][n 1]}