Ballistic Advantage Mid Tac Gov Premium Series.308 AR Barrel Gray 18 in. These AR15 Barrels by Ballistic Advantage boast a shoulder-less design that symmetrically limits barrel whip and allows the barrel to quickly return to its home position. In doing so it is much easier to land follow-up shots with a high rate of fire. Another fantastic feature of the Ballistic Advantage Hanson Series AR Barrel is that it has a QPQ corrosion resistant finish which will preserve the quality of your barrel and rifle for significantly longer than stock options. Upgrade your firearm with the Ballistic Advantage Premium Series QPQ Coated Rifle Barrel today to experience the power of premium. Specifications for Ballistic Advantage Premium Series .308 AR Rifle Barrel: Manufacturer: Ballistic Advantage Color: Gray Finish: Bead Blasted Caliber: .308 Winchester Barrel Profile: Hanson Threads per Inch: 5/8x24 Barrel Twist Rate: 1-10 Condition: New Projectile Caliber: .308 Caliber Package Contents: Ballistic Advantage Premium Series .308 AR Rifle Barrel Ballistic Advantage BABL308004P: Mid Tac Gov Premium Series.308 AR Barrel Gray 18 in