THE GREATEST GUIDE TO CMMG MK57

It’s clean and exact and self-confident. And I gotta say, no matter if you’re a admirer of 5.7x28mm or not, it’s a hell of a fun spherical to shoot and this is surely an great firearm from which to shoot it.The projectiles would stick or drag in there plus the follower would bind. As the ProMags don't have any inward-projecting part and leave