Unleash the full potential of your firearm when you upgrade your barrel to the Ballistic Advantage Modern Series 5.56 AR Rifle Barrel. Sturdy as can be, these AR15 Barrels by Ballistic Advantage are constructed out of 416R stainless steel and topped off with a QPQ corrosion resistant finish. Plus, the Ballistic Advantage 5.56 Modern Series Threaded Barrel easily shoots sub-MOA, ensuring pinpoint accuracy with each pull of the trigger. Upgrade your weapon today with the BA 5.56 Modern Series Steel Barrel for a more accurate and durable barrel that is built to outperform the competition time and time again. Specifications for Ballistic Advantage Modern Series 5.56x45mm Barrel: Manufacturer: Ballistic Advantage Color: Black Finish: QPQ Corrosion Resistant Cartridge: 5.56x45mm NATO Threads per Inch: 1/2x28 Barrel Twist Rate: 1-7 Barrel Material: 4150 Chrome Moly Vanadium Gun Make: AR Platform Country of Origin: USA Features of Ballistic Advantage Modern Series 5.56 AR Rifle Barrel: Material: 4150 Chrome Moly Vanadium Finish: QPQ Corrosion Resistant Package Contents: Ballistic Advantage Modern Series AR Rifle Barrel, 29M-BRI-MSARB