One Horse logo featuring a stylized horse head in a shield, symbolizing strength and reliability in American-made firearms.
One Horse Express logo featuring a stylized horse and firearm design, emphasizing American craftsmanship and reliability.
A black American-made AR-style pistol featuring a modular handguard, ergonomic grip, and adjustable stabilizing brace for reliable performance.
Close-up of a black American-made One Horse firearm receiver, textured pistol grip, and adjustable stabilizing brace with a secure nylon strap.
A black One Horse OH-15 firearm featuring a modular handguard, reliable metal magazine, and adjustable brace, showcasing American-made craftsmanship.
A black One Horse OH-15 firearm featuring a reliable Vortex AMG UH-1 holographic sight, M-LOK handguard, and adjustable tactical pistol brace.
A black One Horse AR-style pistol featuring a Vortex AMG UH-1 holographic sight, mounted on a rustic wooden pallet for a rugged, reliable aesthetic.
A black American-made AR-style pistol featuring a modular handguard, ergonomic grip, and adjustable stabilizing brace for reliable performance.
Close-up of a black American-made One Horse firearm receiver, textured pistol grip, and adjustable stabilizing brace with a secure nylon strap.
A black One Horse OH-15 firearm featuring a modular handguard, reliable metal magazine, and adjustable brace, showcasing American-made craftsmanship.
A black One Horse OH-15 firearm featuring a reliable Vortex AMG UH-1 holographic sight, M-LOK handguard, and adjustable tactical pistol brace.
A black One Horse AR-style pistol featuring a Vortex AMG UH-1 holographic sight, mounted on a rustic wooden pallet for a rugged, reliable aesthetic.

12″ .22LR One Horse Express Pistol / Atrius FRS

UPC: 850088856071
SKU: OH-TT01 Categories: ,
  • Free Shipping
  • American Made
  • Atrius fRS EQUIPPED
  • WARRANTY
  • leaves stable within two weeks after order
  • Limited rifles available

MSRP: Original price was: $1,599.99.Current price is: $1,299.99.

Atrius FRS Options

Magazine

Most Popular Add-ons

Questions regarding the purchase of your firearm? Please call 812-200-0305 or email customerservice@theonehorse.com

In stock

Add To wish list
Four Vortex firearm optics including StrikeFire II, Crossfire II, Spitfire HD Gen II, and AMG UH-1 Gen II with pricing for One Horse rifle upgrades.
Four Vortex firearm optics displayed with pricing, including Strikefire II, Crossfire II, Spitfire HD Gen II, and AMG UH-1 Gen II holographic sights.

One horse express Features

SBA5 Tactical Brace

Quality brace from SBA Tactical

Single Side Atrius Selector

Tested, Tuned and Ready for the Range!

1:12 Twist .22LR Barrel

Suppressor Compatible .22LR Barrel

One Horse Express SPECIFICATIONS

Selector: Atrius Single Side FRS
Caliber: .22LR
Barrel Length: 12"
Barrel Profile: Medium
Muzzle Thread: 1/2X28
Twist Rate: 1:12
Muzzle Device: Thread Protector
Charging Handle: Standard
Buffer Tube: Mil-Spec Buffer Tube
Grip: THRiL RTG - Rugged Tactical Grip
Stock: SBA3
Magazine: 25 Round .22LR
Product Weight: 7.14 lbs.
Manufacturer: One Horse
Country of Origin: U.S.A.

Restricted States

This product cannot be shipped to the following states:

  • California
  • District of Columbia
  • Illinois
  • Minnesota
  • New York
  • Washington
  • Connecticut
  • Florida
  • Maryland
  • Nevada
  • Oregon
  • US Territories
  • Delaware
  • Hawaii
  • Massachusetts
  • New Jersey
  • Rhode Island
  • International

Legal Compliance

By purchasing this product, you acknowledge that you are legally permitted to own and possess it in your jurisdiction. It is your responsibility to ensure compliance with all federal, state, and local laws. The Atrius FRS is designed as a safety selector and must be used in accordance with all applicable firearms regulations. We are not responsible for misuse or violations of law.

Important Notice!

This product is intended for lawful use only. Purchaser assumes all responsibility for legal compliance in their jurisdiction.

Customer Reviews

Reviews

Real feedback from customers who have experience with this product.

0.0
☆☆☆☆☆
0 reviews
No reviews yet.

Be the first to share your experience with this product.

Write a Review

Verified purchase required

Only logged-in customers who have purchased this product can leave a review.

POPULAR RIFLE ACCESSORIES

A black American-made AR-15 rifle featuring a modular handguard, adjustable stock, and a high-capacity magazine, showcasing reliable craftsmanship.
16″ .22LR One Horse Express Rifle / Atrius FRS
SKU- OH-TT02
MSRP: Original price was: $1,599.99.Current price is: $1,299.99.
SHOP NOW
A black American-made AR-style pistol featuring a modular handguard, ergonomic pistol grip, polymer magazine, and a stabilizing brace on a white background.
10.5″ 5.56/.223 One Horse QUAD Express Pistol / Atrius FRS
SKU- OHX-APQ01
MSRP: Original price was: $1,599.99.Current price is: $1,199.99.
SHOP NOW
A reliable American-made black AR-style pistol featuring a modular handguard, ergonomic grip, and adjustable stabilizing brace on a white background.
10.5″ 5.56/.223 One Horse Express MLOCK Pistol / Atrius FRS
SKU- OHX-APS01
MSRP: Original price was: $1,499.99.Current price is: $1,099.99.
SHOP NOW
American-made rifle featuring a camo design, adjustable stock, and durable construction for reliability and performance.
16″ 5.56/.223 One Horse Express M81 CAMO Rifle / Atrius FRS
SKU- OHX-AI01-2
MSRP: Original price was: $1,499.99.Current price is: $1,299.99.
SHOP NOW
American-made rifle featuring a red, white, and blue camo design, showcasing quality craftsmanship and reliable performance.
16″ 5.56/.223 One Horse Express America 250 Rifle / Atrius FRS
SKU- OHX-AI01-1
MSRP: Original price was: $1,499.99.Current price is: $1,299.99.
SHOP NOW
American-made black rifle featuring a sleek design, adjustable stock, and rail system for accessories, emphasizing reliability.
16″ 5.56/.223 One Horse Express Rifle / Atrius FRS
SKU- OHX-AI01
MSRP: Original price was: $1,299.99.Current price is: $999.99.
SHOP NOW
American-made black rifle featuring a sleek design, adjustable stock, and rail system for accessories, emphasizing reliability.
16″ 5.56/.223 Mid-Length Rifle 15″ M-LOK HBAR
SKU- OH-OG05
MSRP: Original price was: $699.99.Current price is: $599.99.
SHOP NOW
American-made tactical rifle featuring a camo finish, adjustable stock, and durable handguard, emphasizing reliability and craftsmanship.
10.5″ 5.56 BLK SD Custom M81 Camo AR Pistol w/ Suppressor
SKU- OH-OP03-1
MSRP: Original price was: $1,499.99.Current price is: $1,299.00.
SHOP NOW
American-made tactical rifle featuring a camo finish, adjustable stock, and durable handguard, emphasizing reliability and craftsmanship.
10.5″ .300 BLK SD Custom M81 Camo AR Pistol w/ Suppressor
SKU- OH-OP04-1
MSRP: Original price was: $1,599.99.Current price is: $1,399.00.
SHOP NOW
Black American-made rifle featuring a sleek design, adjustable stock, and tactical rail for accessories, emphasizing reliability.
7.5″ .300 BLK AR Pistol (KAK Brace)
SKU- OH-OP06
MSRP: $699.99
SHOP NOW
Black American-made rifle featuring a sleek design, adjustable stock, and tactical rail for accessories, emphasizing reliability.
7.5″ 5.56/.223 AR Pistol (KAK Brace)
SKU- OH-OP05
MSRP: $699.99
SHOP NOW
American-made tactical rifle featuring a sleek design, adjustable stock, and durable black finish, emphasizing reliability and performance.
10.5″ 5.56/.223 SD AR Pistol w/ Suppressor
SKU- OH-OP03
MSRP: $1,199.99
SHOP NOW
Black American-made rifle featuring a tactical design, adjustable stock, and rail system for accessories, emphasizing reliability.
10.5″ 5.56/.223 AR Pistol (KAK Brace)
SKU- OH-OP01
MSRP: $699.99
SHOP NOW
American-made tactical rifle featuring a sleek design, adjustable stock, and durable black finish, emphasizing reliability and performance.
10.5″ .300 BLK SD AR Pistol w/ Suppressor
SKU- OH-OP04
MSRP: $1,299.99
SHOP NOW
Black American-made rifle featuring a tactical design, adjustable stock, and rail system for accessories, emphasizing reliability.
10.5″ .300 BLK AR Pistol (KAK Brace)
SKU- OH-OP02
MSRP: $699.99
SHOP NOW
American-made rifle featuring a camo finish, durable materials, and precision craftsmanship, ideal for enthusiasts.
16″ 5.56/.223 Custom Camo Cerakote One Horse OH-15 Rifle
SKU- OH-OG01-CUS-2-1
MSRP: Original price was: $799.99.Current price is: $699.99.
SHOP NOW
American-made rifle featuring a sleek design, durable black finish, and ergonomic grip for reliability and performance.
16″ 5.56/.223 Custom Topographical Engraved Cerakote One Horse OH-15 Rifle
SKU- OH-OG01-CUS-2
MSRP: Original price was: $799.99.Current price is: $699.99.
SHOP NOW
American-made black rifle featuring a sleek design, adjustable stock, and rail system for accessories, emphasizing reliability.
16″ 5.56/.223 Carbine Rifle 15″ M-LOK
SKU- OH-OG02
MSRP: Original price was: $699.99.Current price is: $549.99.
SHOP NOW
Gold anodized AR-15 rifle with a sleek design, featuring a lightweight aluminum body and tactical handguard for enhanced performance.
16″ 5.56/.223 Custom “Gold” Cerakote One Horse OH-15 Rifle
SKU- OH-OG01-CUS
MSRP: Original price was: $799.99.Current price is: $699.99.
SHOP NOW
Black American-made rifle featuring a sleek design, adjustable stock, and precision barrel for reliability and performance.
18″ 6MM ARC HBAR Mid-Length 15″ M-LOK
SKU- OH-OG03
MSRP: Original price was: $799.99.Current price is: $699.99.
SHOP NOW
American-made black rifle featuring a sleek design, adjustable stock, and rail system for accessories, emphasizing reliability.
16″ .300 BLK Rifle 15″ M-LOK
SKU- OH-OG04
MSRP: Original price was: $699.99.Current price is: $549.99.
SHOP NOW
One Horse Model OH15 lower receiver in matte black, featuring safety and semi markings, crafted for reliability in American firearms.
AR15 Mil-Spec Lower Receiver
SKU- OH-LR02
MSRP: $69.99
SHOP NOW
American-made black rifle featuring a sleek design, adjustable stock, and rail system for accessories, emphasizing reliability.
16″ 5.56/.223 Mid-Length Rifle 15″ M-LOK
SKU- OH-OG01
MSRP: Original price was: $699.99.Current price is: $549.99.
SHOP NOW
One Horse OH15 lower receiver featuring a semi-auto switch, durable black finish, and ergonomic grip for reliable performance.
AR15 Complete Lower Receiver
SKU- OH-CL01
MSRP: Original price was: $189.99.Current price is: $179.99.
SHOP NOW
Join Our One Horse Waitlist We will inform you when your One Horse product is back in stock!