Brand: One Horse
Model: OH-15
Platform: AR-15
Caliber: .300 Blackout
Gas System: Carbine-Length / Direct Impingement
Barrel Length: 10.5"
Barrel Description: Medium Profile
Barrel Finish: Black
Capacity: 30rds
Twist Rate: 1:8
Muzzle Thread: 5/8 x 24
Muzzle Device: Flash Hider
Stock Description: KAK Brace
Stock Material: Polymer
Grip Description: A2 Grip
Grip Material: Polymer
Furniture Finish: Black
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Black Anodized
Lower Receiver Material: 7075-T6 Aluminum
Lower Receiver Finish: Black Anodized
Rail Description: 9.25" Free Floating Rail
Rail Material: Aluminum
Rail Finish: Black Anodized
Attachment Style: M-LOK
Safety: 2-Position Thumb Safety
Bolt Carrier Group: Yes
Charging Handle: Yes
Weight: 7.14 lbs
Includes: One 30rd Magazine

Features

The One Horse OH-15 10.5" .300 Blackout AR pistol is a compact, American-made platform engineered for reliability, maneuverability, and dependable performance. Chambered in .300 Blackout, the 10.5-inch barrel delivers excellent performance with both supersonic and subsonic ammunition, making it well suited for range use, defensive applications, and tactical configurations. Built for smooth cycling and consistent accuracy, the OH-15 provides a durable foundation for demanding use.

Equipped with a free-float M-LOK handguard, the OH-15 offers ample space for mounting optics, lights, grips, and other accessories while maintaining barrel accuracy. Its compact design enhances handling in confined spaces without sacrificing control, making it an excellent choice for shooters seeking a versatile and dependable .300 Blackout AR platform.

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).