The Tiger Rock Inc. BR-AK-MICRO AR-47/7.62X39 5'' Pistol Barrel delivers unmatched performance in a compact package, tailored for shooting enthusiasts. Manufactured in the USA, this pistol barrel showcases exceptional durability and adaptability, catering to both seasoned shooters and beginners. Length: 5 inches for compact design 1:10 twist rate for optimal projectile stabilization .750" gas block diameter for various gas system compatibility Made from robust 4150 chrome moly vanadium Black nitride finish for corrosion resistance and enhanced longevity Threaded pitch of 5/8-24 for customization options Enhance your firearm's performance with the Tiger Rock BR-AK-MICRO Pistol Barrel, engineered for precision and reliability.