Luth-AR 5.56 Government Profile Lightweight Barrel 11.5 in Carbine 1-9 Twist 1/2 x 28 Black

Luth-AR 5.56 Government Profile Lightweight Barrel 11.5 in Carbine 1-9 Twist 1/2 x 28 Black. 5 inch Luth-AR barrel is a Government profile 4150 Chrome Molly Vanadium 5.56 mm button broached barrel. The barrel is threaded with a 1/228 thread pitch a 1-9 RH twist rate with 6 lands and grooves and an M4 feed ramp. This barrel takes a .750 gas block. Specifications for Luth-AR 5.56 Government Profile Lightweight Barrel: Manufacturer: Luth-AR Color: Black Finish: Phosphate Fabric/Material: 4150 Chrome Molly Vanadium Cartridge: 5.56x45mm NATO Barrel Length: 11.5 in Barrel Profile: Government Gas System Length: Carbine Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-9 Barrel Material: 4140 Chrome Moly Vanadium Flutes: No Gun Model: AR-15 Weight: 1.06 lb Additional Features: 6 Lands and Groves Features of Luth-AR 5.56 Government Profile Lightweight Barrel 6 Lands and Groves M4 Feed Ramp Government Profile Button Broached Package Contents: Luth-AR 5.56 Government Profile Lightweight Barrel Luth-AR BL-11: 5.56 Government Profile Lightweight Barrel 11.5 in Carbine 1-9 Twist 1/2 x 28 Black