The Mk3 3GR was developed for the heavy metal class 3-Gun shooter, but is just as well suited in the field as it is on the range. The Mk3 3GR Upper Group features an 18″ 416 stainless steel, heavy taper profile, 308 WIN barrel. This Upper Group is equipped with CMMG’s SV muzzle brake and RKM15 KeyMod hand guard.

Manufacturer Part Number: 38BCCE5

  • Caliber: 308 WIN
  • Barrel: 18, 1:10 twist, heavy taper, 416SS, Bead blasted finish
  • Muzzle: CMMG SV Brake, threaded 5/8-24
  • Hand Guard: CMMG RKM15
  • Upper Rcvr: Billet 6061-T6 AL LR308 type
  • Gas Port Location: Rifle

Upper Group consists of:

  • Upper Receiver Assembly (Upper Receiver, Ejection Port Cover)
  • Barrel Sub-Assembly
  • Hand Guard and Barrel Nut
  • Charging Handle
  • Bolt Carrier Group