USED Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel 14.5 inch Medium Mid Length 1-7 Twist 1/2x28 Phosphate Black. Featuring a .223 Wylde chamber and a 1:7 twist with a DLC coated barrel extension the Liberty Fighting Barrels is a durable barrel that offers improved accuracy and handling for your rifle. Dimpled for secure gas block installation the Liberty Fighting Barrel uses the industry standard 1/2x28 threaded muzzle for maximum muzzle device and direct thread suppressor compatibility. Specifications for Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel: Manufacturer: Sons of Liberty Gun Works Color: Black Finish: Phosphate Fabric/Material: 41v50 Steel Caliber: .223 Wylde Barrel Profile: Medium Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-7 Barrel Shank Diameter: .700 in Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Firearms Threads Per Inch: 1/2x28 Package Contents: Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel What firearm models does the manufacturer say Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel is compatible with? The manufacturer says that Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel is compatible with AR-15Sons of Liberty Gun Works 145-LFB-556CL: AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel 14.5 inch Medium Mid Length 1-7 Twist 1/2x28 Phosphate Black