Bulgarian 5.56x45mm (.223 caliber) with 14x1mm left hand threads. New pre-ban 23mm barrel. Twist rate 1:7 in. Steyr technology forged chrome lined barrel.



BARREL COMPONENTS (Sold Separately) Trunnion AK-556 Rear Sight Block AK-336KI Gas Tube AK-080B Retainer Ring AK-338 Front Sight Block AK-167B Sight/Gas Block Retainer Pin AK-025B (4) Barrel Retainer Pin AK-020 Rear Sight Block Retainer Pin AK-257 Muzzle Break AK-141B / AK-141US Gas Block AK-334 NOTE: To work with an AK-74 parts kit, the barrel may need to be turned down by a gunsmith.