CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Sniper Grey 57B40E4-SG. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this...

In stock
ShipAmount $0.00
RevType 2
Manufacturer CMMG
Sku 57B40E4SG
Identity 21836663202