The Catamount® Fury Semi-Auto Shotgun series have the high reliability, simple maintenance and ease of operation. The gas system is adjustable for both high pressure and low pressure ammunition. Furys are 12 ga. that accept both 2 3/4″ and 3″ shells. The Fury II magazine locks in like an M16 magazine. Comes complete with cylinder choke tube, two 5 rd. magazines and a cleaning kit. The Catamount® Fury Series of Semi-Auto Shotguns can also be used for hunting and home security.