The M4A1 Carbine is a shortened version of the M16A2 assault rifle manufactured by Colt. The M4A1 is a favorite amongst US Special Operations Forces.
The M4A1 variant comes with a safe / semi-auto / automatic trigger groups as apposed to the safe / semi-auto / 3-round burst configuration found on standard M4s.
A version with a 10' barrel / upper receiver, known as the CQBR, is also in use with Naval Special Warfare Units such as the SEALs, and opther SOF units.
The M4A1 is a 5.56mmx45mm NATO caliber weapon with a gas operated, rotating bolt action. The carbine is typically fed from 30-round STANAG magazines.
A single Picatinny rail is Featured atop the M$A1's M16A3-style falt-top receiver for mounting scopes, sights or a carrying handle. A further 4 RIS rails, one on each side of the handguards, were added via the SOPMOD Block I pacakge, developed for use by SOCOM forces.
|weight:||5.9 lb (empty)
6/9 lb (30 rounds loaded)
|length:||33 inches (stock extended)
29.8 inches (Stock retracted)
|barrel length:||14.5 inches|
|rate of fire :||700-950 rpm|
|muzzle velocity :||2,900 feet per second|
|caliber :||5.56mm x 45mm NATO|
|magazine :||30 round / STANAG|