Like the Kalashnikov rifle variants, it is a rotating bolt, long-stroke gas piston operated firearm that feeds from a square magazine. The Saiga-12 ( / ˈ s aɪ ɡ ə/) is a shotgun available in a wide range of configurations, patterned after the Kalashnikov series of rifles and named after the Saiga antelope native to Russia.
US civilian aftermarket modified 'Saiga-12K' shotgun