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CMMG

CMMG MK4T UPPER - 300 AAC BLACKOUT

  • Sale
  • $674.99
  • Regular price $749.99


The Mk4 T Upper Group introduces CMMG’s RKM series of KeyMod free float hand guards. 416 stainless steel barrel in a medium taper profile.

Caliber: 300 Blackout
Barrel: 16.1″, 1:7 twist, Stainless
Muzzle: A2 comp., threaded 5/8-24
Hand Guard: CMMG RKM11 KeyMod hand guard
Receiver: Forged 7075-T6 AL M4 type upper
Gas Port Location: Carbine Length

Bolt Carrier Group & Charging Handle Not Included