Ballistic Advantage Premium AR-10 .243 Winchester Rifle Barrel 16in Hanson Mid Length 1-10 Twist 35oz Stainless Steel. Specifications for Ballistic Advantage Premium Black .243 Win Threaded AR Barrel: Manufacturer: Ballistic Advantage Finish: QPQ Corrosion Resistant Fabric/Material: 416R Stainless Steel Caliber: .243 Winchester Barrel Profile: Hanson Gas System Length: Mid Length Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-10 Flutes: No Gun Make: AR Platform Gun Model: AR-10 Firearms Threads Per Inch: 5/8x24 Package Contents: Ballistic Advantage Premium Black .243 Win Threaded AR Barrel What firearm models does the manufacturer say Ballistic Advantage Premium Black .243 Win Threaded AR Barrel is compatible with? The manufacturer says that Ballistic Advantage Premium Black .243 Win Threaded AR Barrel is compatible with AR-10Ballistic Advantage Premium Series