The Ballistic Advantage Barrel is expertly crafted from CrMoV steel, ensuring exceptional durability and reliability for your firearm. Finished with a QPQ Corrosion Resistant coating, this barrel is built to withstand harsh conditions and maintain peak performance over time. As part of the Performance series, this barrel features a Nickel Boron Coated M4 Feed Ramp Extension, enhancing the smooth feeding of ammunition. Each barrel undergoes rigorous HP and MPI testing to ensure it meets the highest standards of quality and precision. The Hanson Series barrels are distinguished by their unique BA Hanson profile, designed to optimize performance and accuracy. Additionally, these barrels come with a pinned lo-pro gas block, ensuring secure and consistent gas flow. Please note, Hanson barrels are not compatible with aftermarket piston kits. Invest in the Ballistic Advantage Barrel for a superior shooting experience, backed by meticulous engineering and rigorous testing.