Need more firepower? Of course you do! The CQB Master extended Hi-CAPA magazine by WE-Tech will not only provide you an aggressive new look, but twice the fire power in both gas capacity and bb capacity! Hold more rounds than a Mac 11 and increase your tactical advantage! Turn your HI-CAPA into a Super HI-CAPA today with this extended mag. Spend more time shooting and less time reloading! Compatibility: WE-Tech, Tokyo Marui, Armorer Works and other similar Hi-Capa Airsoft pistols Capacity: 52 rounds Gas Type: Green Gas, Red Gas, Propane