ONE HORSE 300BLK MEDIUM PROFILE PISTOL BARREL FOR AR-15 Unleash devastating performance in a compact package with this 7.5a ^2 Pistol Gas Barrel. Chambered for .300 Blackout with a 1:7 twist rate, this barrel ensures optimal stabilization for both subsonic and supersonic rounds, making it perfect for suppressed builds, home defense, or tactical applications. The pistol-length gas system delivers smooth cycling and minimal recoil, while the premium nitride finish provides superior corrosion resistance, durability, and easy maintenance. Crafted to Mil-Spec standards, it's the ultimate choice for a high-performance, ultra-compact AR15. SPECS 7.5 Mfg: One Horse