Centurion Arms MK11 6.5 Creedmoor 20" Stainless Barrel

Upgrade your precision gas-gun build with the Centurion Arms MK11 20" 6.5 Creedmoor barrel. Machined from 416R stainless steel and finished with 6-groove, hand lead-lapped button rifling, this 20" barrel offers a smooth bore and consistent bullet engagement for improved accuracy and extended life. Purpose-built around the Centurion MK11 platform, the barrel features a 1:8" twist rate, a rifle-length gas system, a .875" gas block journal with Centurion's alignment tab, and a 5/8x24 threaded muzzle for muzzle devices. The alignment notch behind the gas journal ensures precise gas-block placement with Centurion tabbed blocks while remaining fully compatible with any standard .875" gas block. With a .094 gas port and a profile robust enough to serve as an HBAR-style option, this 20" barrel balances rigidity and harmonics for superior long-range performance. Shop the Centurion Arms MK11 20" 6.5 Creedmoor barrel at AR-15 Discounts for competitive pricing, fast shipping, and expert support for your next precision build. Key Features Caliber: 6.5 Creedmoor Barrel Length: 20" Material: 416R stainless steel Rifling: 6-groove, hand lead-lapped button rifling Twist Rate: 1:8" RH Gas System: Rifle-length gas system Gas Journal: .875" with Centurion alignment tab (compatible with standard .875" gas blocks) Gas Port: .094" Muzzle Thread: 5/8x24 Profile: Can serve as HBAR (heavy barrel) Weight: 4 lb 1 oz