M4A1 Carbine

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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, known as the CQBR, is also in use with Naval Special Warfare Units such as the SEALs.
  • M4A1 Specifications
  • 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

M4A1 - Images and Further Info







A US Special Forces soldier armed with a M4A1 Carbine, fitted with an underslung M203 40mm grenade launcher, aimed with a M68 Close Combat Optic red dot sight. This M4A1 also has a AN-PEQ2 and a flash-light fitted to the Rail Interface System (RIS).