CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Charcoal Green 55BC7C3-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere....
ShipAmount | $0.00 |
RevType | 2 |
Manufacturer | CMMG |
Sku | 55BC7C3CG |
Identity | 21836663187 |