ONE HORSE LLC 300BLK MEDIUM CONTOUR PISTOL BARREL FOR AR-15 Build a dependable .300 Blackout rifle with this 16a ^2 barrel designed for accuracy, versatility, and smooth operation. The 1:7 twist stabilizes both subsonic and supersonic loads, making it ideal for suppressed setups, hunting, or tactical use. A pistol-length gas system keeps cycling consistent with softer recoil, while the nitride finish boosts durability, corrosion resistance, and easy maintenance. Crafted to Mil-Spec standards, it's ready for real-world performance. 16a ^2 length, .300 Blackout chamber, 1:7 twist, pistol-length gas, and a tough nitride finish-everything you ne Mfg: One Horse