Upgrade your precision gas-gun build with the Centurion Arms MK11 16" 6.5 Creedmoor barrel - a purpose-built, match-grade barrel engineered for repeatable accuracy and reliable gas system performance. Machined from 416R stainless steel with 6-groove, hand lead-lapped button rifling, this barrel delivers a smooth bore finish and excellent bullet-to-rifling contact for improved consistency and extended barrel life.Designed around the Centurion MK11 platform, the barrel features a 1:7.5" twist rate, rifle-length gas system, a .875" gas block journal with an alignment tab, and a 5/8x24 threaded muzzle for muzzle devices. The .875" journal includes Centurion's alignment notch (but will also accept any standard .875" gas block), making gas-block installation precise and repeatable. With a .094 gas port and hefty profile that can serve as an HBAR option, this 16" barrel balances rigidity and weight for enhanced down-range performance.Buy the Centurion Arms MK11 16" 6.5 Creedmoor barrel at AR-15 Discounts - competitive pricing, fast shipping, and expert customer support for your next precision build.Key Features Caliber: 6.5 Creedmoor Barrel Length: 16" Material: 416R stainless steel Rifling: 6-groove, hand lead-lapped button rifling Twist Rate: 1:7.5" RH Gas System: Rifle length (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: Suitable to serve as HBAR-style (heavy barrel) Weight: 3 lb 8.1 oz