CMMG MK57 CAN BE FUN FOR ANYONE

As CMMG constructed a brand name in part by supporting and innovating special calibers in the AR platform, the addition on the five.7x28mm Mk57 short-barrel rifle here is likely only the beginning.The projectiles would stick or drag in there and the follower would bind. Given that the ProMags don't have any inward-projecting component and leave wa