About this rifle barrel
One Horse 5.56 NATO 16" M4 Contour Carbine 1-7 Twist Thread Black is a rifle barrel for AR-15.
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
16″ M4 Contour Barrel – 5.56 NATO, 1:7 Twist, Nitride Finish Build a reliable and accurate AR15 with this 16″ M4 Contour Barrel. Chambered in 5.56 NATO with a 1:7 twist rate, this barrel stabilizes a wide range of bullet weights for exceptional versatility in tactical or range applications. Its carbine-length gas system ensures smooth cycling, while the premium nitride finish enhances durability, corrosion resistance, and reduces maintenance.
Precision-crafted to Mil-Spec standards, it’s the perfect choice for your next build. 16″ length with M4 contour for balanced weight and handling 5.56 NATO chamber with 1:7 twist for optimal bullet stabilization Carbine-length gas system for reliable performance Black nitride finish for superior wear resistance and longevity Upgrade your rifle’s precision—add to cart today!
Barrel Length: 16 in.
Specifications
- Brand: One Horse
- Fits: AR-15
- Manufacturer Part #: OHBR01
- UPC: 850078799104
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.