The CMMG Banshee FR MkG 9mm AR pistol that uses the double stack 9mm Glock-pattern magazines. Equipped with a host of essential AR features like last round bolt hold open, this 9mm BANSHEE MkGs is one of the most versatile pistol caliber carbines/personal defense weapons ever made. Featuring quick deploying RIPBRACE; EML handguards with full length M-LOK slots on both sides and the bottom of the handguard as well as M-LOK between the top Picatinny rail sections, you'll always have enough space for those must have accessories.