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E52921FB65BA4572BAEDF911EA54337B

 CMMG 55B66C7 Upper Group, Mk4 3GR, 5.56mm
CMMG Inc logo
CMMG 55B66C7 Upper Group, Mk4 3GR, 5.56mm
UPC: 815835016634
 
CMMG 55B66C7 Upper Group, Mk4 3GR, 5.56mm
 
 
List Price: $849.95
Our Price: $796.95
 
      You Save: $53.00
 
In Stock – Fast Shipping

PRODUCT DESCRIPTION
The CMMG 55B66C7 Mk4 3GR Upper Group features an 18″ 416 stainless steel medium taper profile 5.56x45mm barrel. This Upper Group is equipped with CMMG’s SV muzzle brake and RKM14 KeyMod hand guard. 
PRODUCT SPECIFICATIONS
Caliber: 5.56mm
Barrel: 18″ medium weight taper profile
Muzzle: CMMG SV brake, threaded 1/2-28
Hand Guard: CMMG RKM14 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