Colt 10.3" CQB 5.56 Upper Receiver MK18 Clone

Colt 10.3" CQB 5.56 Upper Receiver - MK18 Clone Manufactured by Colt  Made in the USA Police LEO trade-ins Colt M4 CQB 10.3" 5.56 barrel w/ low profile gas block Production years will vary Colt M4 upper receiver ("C" or CAGE code marked, Cerro Forge or Brass Aluminum Forge marked) Larue Tactical 9.0 free float quad rail  *No Bolt Carrier Group is included* Charging handle style will vary A2 style birdcage flash hider (may not be clocked properly need adjustment) Rated Good or better surplus condition Limit one per customer These Colt 10.3-inch CQB 5.56 upper receivers are U.S.-made, police trade-in uppers built with genuine Colt 10.3-inch M4 CQB barrels, Colt upper receivers marked with either a "C" or CAGE code and forged by Cerro or Brass Aluminum Forging, and LaRue Tactical 9.0 free-float quad rails. They include charging handles, though the styles may vary, and A2 birdcage flash hiders that may require proper timing, but they do not include bolt carrier groups. Production years vary, and each upper is rated in good or better surplus condition, making them solid options for those looking for dependable Colt-based 10.3-inch uppers or a foundation for MK18-style clone builds.