The KS-12 shotguns are US manufactured 12 GA semi-automatic shotguns based on the Russian Saiga series. They are designed to accept 2.75” and 3” shells and include a 10 round (KS-12T) magazine. The KS-12T has a 6-position collapsible buttstock, adjustable pistol grip, tri-rail forend and a flash suppressor for a total length of 42.5” with the buttstock fully extended and 38.5” when collapsed. This model include the standard side mounted optics rail. Most of the currently available Saiga accessories will work on the KS-12 including magazines, drums, muzzle devices and chokes. Features: 12 Gauge 922(r) compliant Safety selector lever notch to hold operating handle and bolt open position Includes one polymer standard capacity magazine (10 rounds) Flash suppressor Skeleton buttstock Tactical forend with Picatinny rails Threading muzzle is M22 x 0.75