ONE HORSE 5.56 NATO MEDIUM PROFILE PISTOL BARREL FOR AR-15 Maximize agility with this ultra-compact 7.5a ^2 Pistol Gas Barrel. Chambered in 5.56 NATO with a 1:7 twist rate, this barrel stabilizes a wide range of bullet weights, delivering reliable performance for AR15 pistol builds, home defense, or close-quarters tactical use. The pistol-length gas system ensures smooth cycling, while the premium nitride finish provides exceptional corrosion resistance, durability, and low maintenance. Precision-crafted to Mil-Spec standards, it's the ultimate choice for a lightweight, high-performance setup. SPECS 7.5a ^2 length for maximum maneuverabili Mfg: One Horse