About this rifle barrel
One Horse 300BLK Medium Contour Pistol Barrel for AR-15 - 300BLK 16" Medium Profile Pistol 1-7 Twist Thread is a rifle barrel.
Match the barrel to your platform (gas system length, barrel extension and thread pitch on an AR; the exact action on a bolt gun). Twist rate decides which bullet weights stabilize: faster twists suit heavier bullets.
Manufacturer details
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.
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.
Barrel Length: 16 in.
Specifications
- Brand: One Horse
- Manufacturer Part #: OHBR04
- UPC: 850078799135
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
