CMMG 99A3B0F-AB: Following the introduction of the MkG(TM) many asked for a similar 9mm AR pistol that used the ubiquitous double stack 9mm Glock-pattern magazines, and thus the MkGs platform was born. Equipped with a host of essential AR features like last round bolt hold open, this 9mm BANSHEE(TM) MkGs is one of the most versatile pistol caliber carbines/personal defense weapons ever made.