THE 5-SECOND TRICK FOR CMMG MK57

As CMMG built a brand in part by supporting and innovating exceptional calibers in the AR platform, the addition on the five.7x28mm Mk57 shorter-barrel rifle here is likely only the beginning.The projectiles would stick or drag in there plus the follower would bind. Because the ProMags haven't any inward-projecting element and depart much more cle