ONE HORSE LLC 300BLK MEDIUM CONTOUR PISTOL BARREL FOR AR-15

Build a dependable .300 Blackout rifle with this 16″ 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.

16″ length, .300 Blackout chamber, 1:7 twist, pistol-length gas, and a tough nitride finish—everything you need for a reliable .300 BLK build.

Every One Horse rifle and component is made in America with uncompromising standards. We use U.S.-sourced materials, U.S. manufacturing, and strict quality control at every step. No shortcuts, no imported surprises — just dependable parts built by people who take pride in American craftsmanship. When you run One Horse, you’re running gear you can trust every single day.

SPECIFICATIONS:

• Caliber: .300 BLK
• Barrel Length: 16 in.
• Barrel Profile: Medium
• Muzzle Thread: 5/8X24
• Twist Rate: 1/7
• Gas System: Pistol
• Material: 4150
• Manufacturer: One Horse
• Country of Origin: U.S.A