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Available for military sales only.

The M4A1 is a fully automatic variant of the M4 carbine – a shorter and lighter variant of the M16. It went into service in 1994 to replace the M16 in certain roles. The M4A1 trigger group operates on either Safe, Semi-Automatic, or Fully Automatic settings. Cartridges are the 5.56x45mm (.223) NATO cartridge that is magazine fed. Firing is achieved via a direct impingement gas operating system. It is currently the primary service weapon for the U.S military.

Military pricing on request.


  • Caliber: 5.56x45mm NATO
  • Operation: Direct impingement
  • Mag Capacity: 30 Rd.
  • Weight: 6.36 lb.
  • Barrel Length: 14.5"
  • Overall Length: 29.75" - 33"
  • Effective Range: 500 - 600m
  • Twist Rate: 1:7" RH
  • Trigger Pull: 5.5 - 9.5 lb.
  • Rate of Fire: 700 - 950 RPM