CMMG 54ABCC7MB Banshee MK4 5.7x28mm 30+1 8″ Black Nitride Threaded Barrel, M-LOK Handguards, Midnight Bronze Cerakote Aluminum Picatinny Rail Receiver, Ambidextrous

Compact and capable, 5.7x28mm was designed to be right at home in AR15-pattern firearms like the CMMG Mk4 platform. Standard features include Radial Delayed Blowback Operating System; aircraft grade aluminum receivers; Zeroed pistol grip, drop-in trigger, polymer dust cover, ambi-charging handle; M-LOK free float handguard and Cerakote finish. Includes 30rd Magpul PMAG.