Colt M4 Commando Upper Receiver Group, 11.5″ 5.56


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Colt M4 Commando Upper Receiver Group, 11.5″ 5.56

Throughout the world today, Colt’s reliability, performance, and accuracy provide our Armed Forces the confidence required to accomplish any mission.

The Colt LE6933CK Upper Assembly is used on the R0933 Commando model rifle.

  • UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
  • BARREL: Chrome Moly Vanadium Steel, 1:7 Twist, Carbine Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
  • GAS SYSTEM: Pinned A2 Front Sight Gas Block, Mil-Spec Heavy Phosphate Coating, Carbine-length, Direct Impingement
  • MUZZLE DEVICE: A2 Birdcage
  • BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
  • SIGHTS: A2 front sight and Magpul MBUS rear sight
  • HANDGUARD: Milspec polymer with heatshields (compatible with other drop-ins and free float rails)
  • CHARGING HANDLE: Milspec Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Stainless Steel Roll Pins, Type III Hard Coat Anodized
  • Made in the USA!


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