Built on a Russian American Armory Saiga shotgun, the Mach 1 Arsenal Saiga 12 (shown here in prototype form) is a semi-automatic 12-gauge Kalashnikov-based shotgun. It features a Picatinny rail fore-end system and accepts high-capacity detachable magazines. It is shown with a 12-round magazine installed. For more information, visit mach1arsenal.com.