JMac Customs 12.5" Hammer Forged AK Barrel 7.62x39mm

12.5” Hammer Forged AK Barrel 7.62x39mm - JMac Customs 12.5” Hammer Forged AK Barrel 7.62x39mm - JMac Customs 23mm Barrel Journal Chamber: 7.62x39mm Twist Rate: 1:9.45 Length: 14.5" (with pinned and welded muzzle device) Muzzle Threads: 14-1LH concentric to bore Profile: AK-100 with 23mm Barrel Journal Gas System Length: AK Standard Gas Port Pre Drilled and Chamfered Material: Cold Hammer Forged 4150 Finish: QPQ Black Nitride Made in the U.S.A Counts a (1) U.S. Part towards 922r compliance 12.5” Hammer Forged AK Barrel 7.62x39mm - JMac Customs​ are machined from US made Cold Hammer Forged Blanks and then ​QPQ Nitride​ finished​. At a length of ​12.5” and ​featuring 14mm x 1 LH threads these barrels allow you to install ​a muzzle devices or suppressors. T​he bore is guaranteed to be concentric with the threads at the muzzle.​ Extractor relief, handguard retainer cuts and gas port are ​completed, along with a taper on the trunnion end allowing easy alignment for installation. ​Made in the U.S.A. Concentricity is only guaranteed at the muzzle​.