Introducing the Ballistics Advantage Performance 10.3" Hanson Barrel, a masterpiece of engineering designed for reliability and performance. This barrel, part of our Performance Series, is machined from robust 4150 Chrome Moly Vanadium steel, providing exceptional durability and longevity. It is completed with a QPQ Corrosion Resistant Finish that ensures it can withstand even the toughest conditions. The barrel features a Nickel Boron Coated M4 feed ramp extension, enhancing reliability during rapid firing sequences. Our Hanson Series Barrels feature a proprietary BA Hanson profile and a carbine gas system length. It has a 1.03" gas block seat, designed specifically for .750" low profile gas blocks. Each barrel includes a pinned lo-pro gas block for your convenience. Please note, Hanson barrels are not compatible with aftermarket piston kits. Trust in the Ballistics Advantage Performance 10.3" Hanson Barrel for top-tier performance and unparalleled reliability.