CQBR Carbine

The CQBR, designated Mk 18 Mod 0, is a variant of the M4 family of carbines. Designed for Close Quarters Battle (CQB), the CQBR is significantly shorter than its M4 / M4A1 cousins, with a barrel-length of 10.3 inches compared to the M4's 14.5 inches. Like the Colt Commando previously used by US Special Operations Forces, the CQBR is an attempt to combine the hitting power of an assault rifle with the compactness of a sub machine gun. Typical uses for such a weapon include hostage rescue, VIP protection and operations in the tight spaces found on ships.

The CQBR was initially taken up by the Naval Special Warfare community, most notably with the SEAL teams, but its use has now propagated into other units.

CQBR Specifications

weight: 5.9 lb (empty)
6/9 lb (30 rounds loaded)
length: 29.45 inches (stock extended)
26.25 inches (Stock retracted)
barrel length: 10.3 inches
rate of fire : 700-950 rpm
muzzle velocity : 2,600 feet per second
caliber : 5.56mm x 45mm NATO
magazine : 30 round / STANAG

CQBR - Images and Further Info

CQBR
CQBR, stock retracted.
US DoD Photo

Special Forces with CQBR
US Army Special Forces train with CQBRs.
US DoD Photo

Navy SEALs with CQBRs
Navy SEALs armed with CQBRs (fitted with blank-firing adapters) pictured during a training exercise.
US DoD Photo


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