JP 20" .308 Win 1:11.25 Twist Barrel Medium Contour Rifle Length Gas Port Black Teflon Finish, Includes JP Bolt

This barrel also includes a JP EnhancedBolt™ individually head-spaced to the barrel for flawless fit and function. Caliber: .308 Win. Length: 20" Gas System: Rifle-length Twist: 1:11.25 button rifled Contour: .750 under hand guard/.875 in front of gas block Diameter at Gas Block: .936 Muzzle Threads: 5/8"-24 TPI Material: 416R Stainless Bolt Assembly: JP EnhancedBolt™