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CMMG Complete Upper, Mk4 HT, 22LR

CMMG Complete Upper, Mk4 HT, 22LR

Special Price $499.46 Regular Price $554.95

The Mk4 HT Upper Group features CMMG’s RKM11 KeyMod free float hand guard. Either a 416 stainless or nitrided 4140 CrMo steel barrels in a heavy taper profile are offered in 5.56mm and 300 BLK. The 22LR model is only available in the nitrided 4140 CrMo type barrel.

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Availability:In stock
  • Caliber: 22 Long Rifle
  • Barrel: 16” 1:16 twist, heavy taper, 4140 CrMo, SBN
  • Muzzle: thread protector, threaded 1/2-28
  • Hand Guard: CMMG RKM11 KeyMod hand guard
  • Upper Rcvr: Forged 7075-T6 AL M4 type upper

Upper Group consists of:

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

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