CMC Triggers AR-15 Barrel Features This barrel is button rifled for consistent accuracy and uniform bore dimensions. The 41V50 CMV steel construction provides excellent strength and heat resistance making it well suited for high round count use. A black nitride finish enhances surface hardness and corrosion resistance while promoting smoother operation and extended service life. Designed with a .750 gas journal and 1/2x28 muzzle threads the barrel supports common gas block and muzzle device compatibility. Its short 7.5 length makes it ideal for compact AR builds where maneuverability and reduced overall length are priorities. Precision manufacturing ensures proper fit and dependable performance across a wide range of ammunition. CMC Triggers AR-15 Barrel Specifications Manufacturer: CMC Triggers Caliber: 5.56 NATO Barrel Length: 7.5 Twist Rate: 1:7 Material: 41V50 chrome moly vanadium Barrel Type: Button rifled Finish: Black nitride Gas Journal Diameter: .750 Thread Pattern: 1/2x28 Weight: 1.02 lbs