20" inch barrel

The Saiga-12 () 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. Like the Kalashnikov rifle variants, it is a rotating bolt, long-stroke gas piston operated firearm that feeds from a square magazine. All Saiga-12 configurations are recognizable as Kalashnikov-pattern guns by the large lever-safety on the right side of the receiver, the optic mounting rail on the left side of the receiver and the large top-mounted dust cover held in place by the rear of the recoil spring assembly. Saiga firearms are meant for civilian domestic sale in Russia, and export to international markets.The Saiga-12 is manufactured by the Kalashnikov Concern (the merger of Izhmash and Izhevsk), in Russia. Kalashnikov Concern also manufactures Saiga 20s and Saiga 410s in 20-gauge and .410 bore, as well as the Saiga semi-automatic hunting rifles in a number of centerfire calibers. Russian armed forces use a combat shotgun variant called the KSK (Karabin Spetsialniy Kalahnikov, "Kalashnikov Special Carbine"), with the 12-gauge size expressed in its metric equivalent of 18.5 mm. The Picatinny rail layout is similar to the civilian 030 version.

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