The Fostech Origin-12 Tactical Shotgun is an AK-style modular shotgun system. It features a multi-caliber receiver and a quick change barrel system that incorporates a threaded, fluted 18" barrel, gas block adjustment and modular handguard all in one unit. The internals are hard nickel coated. The receiver has a flat top accessory rail dust cover for optics mounting, and the hand guard has upper and lower accessory rails, plus side rail mounting options. The folding, collapsible Battlefield Minimalist stock (BMS) is from Mission First Tactical. The Origin-12 is 100 percent made in the USA.