The M4A1 Carbine is a carbine version of the M16 Assault Rifle.


Weight: 5.9 lbs (2.7 kg) empty

6.9 lbs (3.1 kg) with 30 rounds

Length: 33 in (838mm) with stock extended

29.8 in (257mm) with stock retracted

Barrel Length: 14.5 in (368mm)

Cartridge: 5.56x45mm NATO

Action: Gas operated, rotating bolt

Rate of Fire: 700-950 rounds/min

Muzzle Velocity: 2900 ft/sec (884 m/sec)

Effective Range: 550 yds (500 m)

Feed System: 30-round box magazine.


The M4A1 is a fully-automatic variant of the basic M4 Carbine intended for special operations use. It is especially favored by counter-terrorist and special forces units for close quarters combat because of its compactness and firepower. These features also make it useful for urban warfare.

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