Imported by Zastava Arms USAChambered in 5.56x45 and .223Chrome Lined 18.25" Barrel1:7 TwistThreaded 14x1LH8.5lbsOptic RailHollow Piston Head for AccuracyBulged trunnion with 1.5mm Receiver3 Position Gas SystemSerbian Red Wood Stock SetTakes most .556/223 AK magsUS 922R parts, mag part, stock, pistol grip,handguards & muzzle brake30 Round Capacity