THE CMMG MK57 DIARIES

As CMMG developed a model partly by supporting and innovating unique calibers while in the AR platform, the addition on the 5.7x28mm Mk57 limited-barrel rifle right here is likely only the start.The projectiles would stick or drag in there and also the follower would bind. Given that the ProMags don't have any inward-projecting section and leave a