Christensen Arms 6.5 Creedmoor Stainless Steel Aerograde Carbon Fiber Wrapped Barrel Rifle Length 22 in 5/8 24 Threaded Muzzle Carbon Fiber. The barrel lining is made from match-grade 416R stainless steel and is measured to a tolerance of +/- .0001. When it comes to accuracy Christensen Arms carbon-fiber barrels have performance you can trust. Includes gas block and gas tube. Backorders take 4-6 weeks to manufacture. Specifications for Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel: Manufacturer: Christensen Arms Color: Carbon Fiber Finish: Stainless Fabric/Material: Stainless Steel Caliber: 6.5mm Creedmoor Barrel Profile: Bull Gas System Length: Rifle Length Threads per Inch: 5/8x24 Barrel Twist Rate: 1-8 Flutes: No Gun Make: AR Platform Gun Model: AR-10 Weight: 1.1 lb Condition: New Country of Origin: USA Features of Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel: Match Chamber; Button Rifled; 24 Threaded Muzzle Package Contents: Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel What firearm models does the manufacturer say Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel is compatible with? The manufacturer suggests that Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel is compatible with AR-10Christensen Arms 810-00031-18: 6.5 Creedmoor Stainless Steel Aerograde Carbon Fiber Wrapped Barrel Rifle Length 22 in 5/8 24 Threaded Muzzle Carbon Fiber