Colt M16 (M16A1)

Colt's Manufacturing Company · Assault-Rifle · Limited Production · 1964

Weight (empty)2890 g (101.9 oz)
Overall Length986 mm (38.82")
Barrel Length508 mm (20.00")
Height248 mm (9.76")
Width64 mm (2.52")
Magazine Capacity20 rounds
Action TypeGas Operated Direct Impingement
Firing MechanismHammer Fired
Muzzle Velocity991 m/s (3251 fps)
Muzzle Energy1796 J (1325 ft·lbf)
Effective Range460 m (503 yd)
Frame MaterialAluminum Alloy

Primary Caliber: 5.56x45mm NATO

The Colt M16 is a lightweight, air-cooled, gas-operated, magazine-fed assault rifle chambered in 5.56x45mm that became the standard United States military service rifle in the mid-1960s, replacing the heavier M14. Originally designed by Eugene Stoner at ArmaLite as the AR-15, the design was sold to Colt in 1959 and adopted by the U.S. Air Force as the M16 in 1964. The improved M16A1 variant, featuring a forward assist, chrome-lined chamber, birdcage flash hider, and closed bolt operation, was ty...

Country of Origin: United States

Designer: Eugene Stoner