CMC Triggers AR-15 Barrel Features This barrel is button rifled to ensure consistent accuracy and uniform bore dimensions. The 41V50 CMV steel construction provides excellent heat resistance and durability making it suitable for high round count use. A black nitride finish enhances surface hardness and corrosion resistance while promoting smoother cycling and easier maintenance. Designed with a .750 gas journal and 1/2x28 muzzle threads the barrel supports common gas blocks and muzzle devices. The 10.5 length balances compact handling with improved ballistic performance compared to shorter configurations making it a popular choice for versatile AR builds. Precision machining ensures proper fit and dependable function across a wide range of ammunition. CMC Triggers AR-15 Barrel Specifications Manufacturer: CMC Triggers Caliber: 5.56 NATO Barrel Length: 10.5 Twist Rate: 1:7 Material: 41V50 chrome moly vanadium Barrel Type: Button rifled Finish: Black nitride Gas Journal Diameter: .750 Gas System: Carbine Length Thread Pattern: 1/2x28 Weight: 1.02 lbs