Description Get ready to experience the ultimate in fully automatic BB guns with the Crosman AK1. Featuring full-auto and semi-auto options powered by dual CO2 powerlets, the Crosman AK1 flings BBs at 430 fps and 1400 rounds per minute. This modern take on an all-time classic comes with a 28-round removable magazine and a foldable/adjustable buttstock to give the shooter the ultimate in look and feel. For hours of fun, âTake It Outsideâ with Crosman.