One Horse Express · .22LR
Built To Run™

Express FRS .22LR

A dedicated .22LR AR rifle and pistol, not a conversion kit, with the Atrius Forced Reset selector installed, tuned and test fired in Brownstown, Indiana. Cheap ammo, more Super-Semi range time, same AR feel.
The One Horse Express 22 is a Built To Run™ .22LR AR rifle and pistol with an Atrius Forced Reset Selector (FRS) factory-installed in Brownstown, Indiana. A dedicated rimfire barrel, chamber and bolt run the Forced Reset as one tested system, so there is no conversion kit to swap and no owner tuning. Shop the Express 22 and Black Dog .22LR magazines below with free retail shipping to your FFL.
Factory fitted
Atrius FRS Installed, Tuned & Tested
Retail shipping
Free Shipping To Your FFL
AvailabilityMost models
Ships in 5-7 Business Days
Built To Run™ · Express .22LR

Express .22LR rifle and pistol

Both Express 22 models ship with the Atrius Forced Reset selector installed and tuned at our shop. Sale prices shown. Rifle 18+ (21 where state or local law requires it), pistol 21+. Transfer through an FFL. Want 5.56? Shop Express FRS rifles or see the full Express lineup.
Express 22 firearms
Magazines for the Express 22
Rifles: 18+ (21 where state or local law requires it). Pistols: 21+. Firearms ship to a licensed FFL dealer for transfer. Check local laws before you buy. How to Buy a Gun Online
Specs

Express 22 rifle vs pistol

Same dedicated .22LR system and Atrius Forced Reset selector. Pick your barrel and stock.

16″ Express 22 Rifle

  • Barrel: 16.1″ dedicated .22LR, 1:12 twist
  • Muzzle: 1/2x28 thread, thread protector
  • Stock: THRiL CCS Combat Competition Stock
  • Grip: THRiL RTG, 19.5° angle
  • Magazine: 25-round .22LR

12″ Express 22 Pistol

  • Barrel: 12.1″ dedicated .22LR, 1:12 twist
  • Muzzle: 1/2x28 thread, thread protector
  • Brace: SBA stabilizing brace
  • Grip: THRiL RTG, 19.5° angle
  • Magazine: 25-round .22LR

Both models

  • Selector: Atrius Forced Reset, SAFE, SEMI and Super-Semi
  • Upgrade: ambidextrous FRS offered on the product page
  • Setup: trip system and anti-bounce weight installed at the factory
  • Tested: test fired in Brownstown, Indiana

Read the Express 22 guide

Why a dedicated .22LR

Not a conversion kit

Built for the cartridge

A conversion kit runs rimfire ammo through a barrel built for 5.56/.223. The Express 22 chamber, bore and bolt are made for .22 Long Rifle from the start.

No caliber swapping

Your 5.56 rifle stays set up and zeroed. Grab the Express 22, load it and run it. Lower ammo cost means longer range days and more Forced Reset reps.

Factory-configured Forced Reset

Getting Forced Reset to run on rimfire depends on the bolt, ammo and part weights. We pair and test the dedicated upper, lower and Atrius FRS before it ships.

How the Express is tuned

FAQ

Express 22 questions

Is the One Horse Express 22 a .22LR conversion kit?

No. The Express 22 is a complete, dedicated .22LR firearm. Its barrel, chamber, bolt system and operating parts are built for the .22 Long Rifle cartridge. It does not fire rimfire ammo through a converted 5.56/.223 barrel, and it is not sold as an upper only.

Does the Express 22 have a Forced Reset selector?

Yes. Both the Express 22 rifle and pistol ship with the Atrius Forced Reset selector (FRS), with three positions: SAFE, SEMI and Super-Semi. A single-side FRS is standard and an ambidextrous FRS is offered as an installed upgrade on the product page.

What is the difference between the Express 22 rifle and pistol?

The Express 22 Rifle has a 16.1″ dedicated .22LR barrel and a THRiL CCS Combat Competition Stock. The Express 22 Pistol has a 12.1″ dedicated .22LR barrel and an SBA stabilizing brace. Both use the THRiL RTG grip, a 1:12 twist barrel threaded 1/2x28 and the Atrius Forced Reset selector.

What .22LR ammo does One Horse recommend?

CCI 40-grain Mini-Mag gave the best overall performance in One Horse testing. Rimfire ammo varies by brand and lot, so start a new load in SEMI and confirm it runs before you switch to Super-Semi.

Which magazines work with the Express 22?

The Express 22 uses 25-round .22LR magazines. Extra 25-round Black Dog .22LR magazines and the Black Dog 50-round .22LR drum are sold on this page.

Does the Express 22 ship to my door?

No. One Horse ships firearms only to licensed FFL dealers, and retail firearm orders get free shipping to your FFL. You must be 18 or older for the Express 22 rifle (21 where state or local law requires it) or 21 or older for the Express 22 pistol, and complete the transfer through your FFL. Magazines ship like normal parts orders where legal.

Dealers

Stock the Express 22 at your shop

Apply for dealer pricing and stock the Express 22 rifle and pistol in your store. Approval is usually under 24 hours.

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