We are really excited to take the CMMG Mutant for a test spin and see how it fairs up against an AR as well as an AK. In this video we look at the size of the CMMG Mk47 (7.62x39mm) bolt carrier group up against an AR-15 style Bolt Carrier Group chambered in 7.62×39. We… Read More »Video: CMMG MK AKS13 First Look