M4A1

M4A1 (Carbine, Assault rifle)

In service: 1994-present

Manufacturer:

Colt Defense;

Bushmaster;

U.S. Ordnance;

Remington Arms Company;

THOR Global Defense Group;

SME Ordnance;

FN Herstal;

Sarsılmaz Arms

Produced: 1994-present

Number built: 71,000

Variants: M4A1, CQBR (Mark-18 Mod 0)

Specifications

Weight:

2.88 kg empty;

3.4 kg with 30 rounds

Length:

840 mm (stock extended);

756 mm (stock retracted)

Barrel length: 370 mm

Cartridge: 5.56×45mm NATO

Action: Gas-operated, rotating bolt (Direct impingement)

Rate of fire: 700-950 round/min cyclic

Muzzle velocity: 880 m/s

Effective firing range: 500 m for a point target and 600 m for an area target

Feed system: 30 round box magazine or other STANAG magazines

Sights: Iron or various optics

The M4 is a shorter and lighter variant of the M16A2 assault rifle