CMMG Upper Group Mk4 HT 5.56mm SBN - $588.99

Description

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.
- Caliber: 5.56mm
- Barrel: 16.1″, 1:7 twist, heavy taper, 4140CM, SBN
- Muzzle: Thread protector, threaded 1/2-28
- Hand Guard: CMMG RKM11 KeyMod hand guard
- Receiver: Forged 7075-T6 AL M4 type
Upper Group consists of:
- Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist)
- Barrel Sub-Assembly
- Hand Guard and Barrel Nut
- Charging Handle
- Bolt Carrier Group

SKU#: CA55B785C
UPC#: 815835015903
MPN#: 55B785C