CMMG Mk4 T 300AAC Upper Group BLACK with two port compensator not flash hider.
NOTE: These do not come with a flash hidder but a SV Brake. This ois a 12.5" Barrel so care will need to be takes to assure the overall length of your forearm is 30" and may require a Armaworx Long Stock to meet length requirements depending on the A Cat stock you are using.
The Mk4 T Upper Group introduces CMMG’s RKM series of KeyMod free float hand guards. Either a 416 stainless or nitrided 4140 CrMo steel barrel in a medium taper profile are offered for both 5.56mm and 300 BLK. The 22LR and 9mm models feature a nitrided 4140 CrMo M4 profile barrel.
Caliber: 300 Blackout
Barrel: 12.5″, 1:7 twist, medium taper, 4140CM, SBN
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
Upper Group consists of:
Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist)
Hand Guard and Barrel Nut
Bolt Carrier Group