SDS Imports, Lynx 12, Semi-automatic, 12Ga, 19" Threaded Barrel, Black Finish, Fixed Stock, 5Rd, Compatible with Any Saiga 12 Style Magazine, Bolt Hold Open Button, Bulgarian Style Side Rail, Four Position Gas System Features: Hammer forged bolt and trunnion for increased strength and long life. Any Saiga 12 style magazine is compatible. Chrome lined 19" barrel, 3" chamber. Bolt hold open button. Any aftermarket AK pistol grip will fit. Any standard AK stock will fit. Bulgarian Style Side Rail Dark Parkerized finish. Barrel threaded for Saiga style compensators. Front forearm can be replaced with Saiga rails and aftermarket forearms. Replacement parts available. Four position gas system.  Off, Low, Medium and High. Comes with one year manufacturer warranty for defects and workmanship. Specifications: Model Action Caliber Chamber Barrel Length Capacity      System  LH12 Semiautomatic 12 Gauge 2-3/4" & 3"