Ballistic Advantage, Premium Black Series, Hanson Profile Barrel, 223 Wylde, Fits AR15, 10.3" Threaded Barrel, 1/2x28 Thread Pitch, 1:8" Barrel Twist, Carbine Length Gas System, QPQ Matte Finish, Black, Included Low Profile Gas Block Expand the capabilities of your gun by upgrading to a Ballistic Advantage Performance 5.56 Barrel. These Rifle Barrels by Ballistic Advantage are constructed from tough 4150 Chrome Moly Vanadium steel with a quart barrel gas system to handle heavier loads with ease. For superior longevity, the Ballistic Advantage Hanson Series Barrel is coated with a nickel boron mixed finish while also containing QPQ Corrosion Resistant coating, ensuring this device doesn't succumb to erosion over time. A QPQ corrosion resistant coating also prevents abrasion and damage to the barrel, and a machined gas port provides tighter tolerances for precise shooting. Install a Ballistic Advantage Hanson Series Rifle Barrel to upgrade your gun with premium gear. Barrel Length: 10.3 in Gas System Length: Carbine Length Additional Features: Seat for .750 Low Profile Gas Blocks Only