Express 22: A Dedicated .22 LR AR with the Atrius FRS
Meet the Express 22, a complete .22 LR rifle or pistol, not a conversion kit, with the Atrius forced reset selector installed.
Category: Products
Atrius FRS: Why Factory-Installed Forced Reset Matters
Learn what the Atrius forced reset selector’s Super-Semi setting does, and why we fit, tune and test every Express at the factory.
H1 vs H2 vs H3 Buffer Weight Chart: Which AR-15 Buffer Do You Need?
Learn how buffer weight changes how your AR runs, and how to choose the H1, H2 or H3 for your build.
One Horse Expands Express Series With Two Factory-Tuned 10.5-Inch Pistols
Our 10.5-inch Express pistols, MLOK and Quad Rail, come with the Atrius forced reset selector fitted and tested at the factory.
One Horse Debuted the Express 22 Rifle and Express 22 Pistol at GOALS 2026
We announce the Express 22 rifle and pistol, dedicated .22 LR firearms with the Atrius forced reset selector, debuting at GOALS 2026.
One Horse Reins in the Noise With Its Exclusive Suppressor Series
Get to know our RYN .30 cal and ASHE 5.56 titanium suppressors, each shipped with a Plan B mount and flash hider.
