Enhance your firearm's performance with the Tiger Rock Inc. BR-AK-MICRO+GT-MICRO AR-47/7.62X39 5'' Pistol Barrel and Micro Gas Tube, expertly crafted for unmatched precision. This robust 5-inch barrel features a 1:10 twist rate to deliver superior accuracy with 7.62x39 ammunition. Built from high-quality 4150 Chrome Moly Vanadium and finished with durable black nitride, this barrel ensures long-lasting performance. Length: 5" 7.62x39 Caliber 1:10 Twist Rate .750" Gas Block Diameter Proprietary Micro Pistol Gas System Made in the U.S.A. Compatible with AR-15 platforms Thread Pitch: 5/8-24 Micro Gas Tube Length: 5/78 Micro Gas Tube OD: 0.180 on button end Durable Stainless Steel Construction Choose the Tiger Rock Inc. set for dependable reliability and superior performance on the range or in the field.