F1 firearms bsf19 series gas magazine by emg/aps 23rds black

A Spare/Replacement Gas powered magazine for the F1 Firearms BSF19 Pistol replica. With a capacity of 23 BBs, to load the mag simply pull down the spring loaded follower and either speed load through the feed lips, or through the window on the front of the magazine. Once loaded the fill valve can be located on the bottom of the magazine underneath the baseplate. Featuring a full metal body, with plastic feed lips, follower and base plate.