Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel designed with aerospace-grade layering. The carbon fiber wrap surrounds a match-grade 416R stainless steel liner with +/- 0.0001 tolerance. Includes gas block and gas tube. Backorders may take 4-6 weeks to manufacture. Features: Match Chamber, Button Rifled, 24 Threaded Muzzle. Package contents: Christensen Arms AR-10 6.5 Creedmoor Carbon Fiber Wrapped Barrel.