Operating from a historic facility in Brownstown, Indiana, One Horse builds rifles and parts that prioritize integrity, precision, and real-world performance for everyday shooters, defenders, and builders.
What sets One Horse apart is its unwavering focus on American craftsmanship. Every component is designed, machined, assembled, and tested in the USA using high-grade domestic materials, with seasoned gunsmiths ensuring exact tolerances, rigorous inspections, and live-fire validation. The result is gear you can trust, backed by a limited lifetime warranty against manufacturing defects.
At AR15Discounts.com, we carry the full One Horse lineup to give our customers access to this fresh, reliable option. From complete OH-15 rifles to stripped receivers, complete uppers, bolt carrier groups, and buffer tubes, these products offer mil-spec compatibility and practical features like M-LOK handguards, SOCOM-profile barrels, and durable nitride finishes. Whether you’re building from the ground up or upgrading an existing setup, One Horse delivers battle-ready performance without unnecessary frills.
-
Who is One Horse and why should I trust them?
One Horse Firearms is a U.S.-based manufacturer founded by U.S. Army veteran Jeremy Hammons, who brings extensive industry experience from assembly to leadership roles. Trust comes from their 100 percent American-made commitment, rigorous quality control including live-fire testing, and a limited lifetime warranty against defects. The brand prioritizes integrity and reliability for everyday Americans who depend on their gear.
-
Where are One Horse products manufactured?
All One Horse products are proudly manufactured in the USA, specifically at their facility in Brownstown, Indiana. From design through final assembly and testing, everything happens domestically using U.S.-sourced materials to maintain full control over quality and support American jobs.
-
What One Horse products does AR15Discounts carry?
AR15Discounts carries a range of One Horse items, including the OH-15 5.56 NATO Mid-Length and Carbine Semi-Automatic AR-15 Rifles, 16″ 5.56 SOCOM Midlength uppers (1:7 and 1:8 twist variants), 16″ .300 BLK SOCOM Pistol upper, mil-spec stripped lower and forged stripped upper receivers, M16 .223/5.56 Bolt Carrier Group with black nitride finish, mil-spec 6-position buffer tube, and HUB-compatible titanium suppressors (ASHE 5.56 and RYN 30 Cal).
-
Are One Horse parts compatible with my existing AR-15?
Yes. One Horse products adhere to standard mil-spec dimensions, making them fully compatible with most existing AR-15 components. You can mix and match receivers, uppers, BCGs, and other parts confidently, though using One Horse components together often optimizes fit and performance.
-
How does the One Horse OH-15 compare to other budget AR-15s?
The OH-15 stands out among budget options by emphasizing consistent American-made quality, rigorous testing, and features like mid-length gas systems for smoother recoil. While many budget ARs rely on imported parts or minimal QC, One Horse delivers dependable function rooted in veteran-led expertise, making it a stronger long-term choice for reliability-focused shooters.
-
Can I shoot both 5.56 NATO and .223 Remington in One Horse rifles?
Yes. One Horse rifles chambered in 5.56 NATO safely fire both 5.56 NATO and .223 Remington ammunition. The chamber handles the slightly higher pressures of 5.56 NATO while remaining compatible with the lower-pressure .223 loads for versatile use.
-
What’s the difference between the Mid-Length and Carbine OH-15 models?
The Mid-Length OH-15 uses a mid-length gas system with a longer gas tube, resulting in smoother recoil, reduced wear, and better overall cycling for general-purpose shooting. The Carbine model features a shorter carbine-length gas system, offering more compact handling and quicker maneuverability in close quarters, though with potentially sharper recoil.
-
Do One Horse complete uppers include a BCG and charging handle?
No. One Horse complete uppers are barrel assemblies with handguards and typically do not include a bolt carrier group or charging handle. These are sold separately, allowing you to pair them with your preferred BCG and handle for customization.
-
Does the AR15Discounts satisfaction guarantee apply to One Horse products?
Yes. As with all products on AR15Discounts.com, our satisfaction guarantee covers One Horse items. If you’re not completely satisfied, contact us within the specified timeframe for returns or exchanges per our standard policy.
-
Do I need an FFL to buy a One Horse rifle or lower receiver?
Yes. Complete rifles and stripped lower receivers are regulated firearms and require transfer through a licensed Federal Firearms Licensee (FFL). You’ll need to provide your FFL dealer information at checkout for shipment, in compliance with federal law. Upper receivers and most other parts ship directly without FFL requirements.