Mk18 Mod1 CQBR Upper Receiver Group, URG mil-spec, clone correct, stripped

Assembled to Order, Ships in 2 to 3 weeks

Mk18 Mod1 Upper Receiver Group, Colt, DD, stripped

This is a mil-spec Mk18 upper receiver group, with rail, without a BCG, charging handle, rail covers or muzzle device.

Some of our LE customers requested a stripped version, to use with their own suppressor adapter and matching bolt.  Assembled by our good friends at Potomac Armory, this upper receiver group contains the best of the best components


  • Colt mil-spec M4 upper receiver, with hardware (dust cover, forward assist), factory 7075 milspec aluminum forged upper with Trye III anodizing in black with M4 feedramps
  • Milspec 10.3" Mk18 chrome-lined barrel, either Colt of Daniel Defense, as supplies allow, 4150 CMV steel, phosphated exterior, 1:7 twist with 5.56 NATO chambering and M4 feedramps 
  • Mil-Spec Mk12 gas block, either Daniel Defense, Potomac Armory or Badger Ordnance (based upon supply, and not a buyer's choice)
  • Daniel Defense Mk18 RIS-II rail in FDE with mounting hardware and barrel nut.
  • Carbine gas tube, installed
  • Note:  No BCG and No Charging Handle is included
  • Fully assembled