ONE HORSE - OH-15 300BLK 10.5"BBL (1)30RD Mag Thrd Black

ONCE HORSE OH-15 300 BLACKOUT SEMI-AUTO AR PISTOL W/KAK BRACE

This 10.5" .300 BLK AR pistol is built for reliability, maneuverability, and hard use when it counts. Whether you’re running drills at the range, setting up a home defense platform, or building out a compact tactical rig, the OH-15 delivers consistent performance with smooth cycling and dependable accuracy.

Compact. Capable. Ready.

Range. Home. Tactical. One pistol that gets the job done—every time. Every One Horse firearm and component is made in America with uncompromising standards. We use U.S.-sourced materials, U.S. manufacturing, and strict quality control at every step. No shortcuts, no imported surprises — just dependable parts built by people who take pride in American craftsmanship. When you run One Horse, you’re running gear you can trust every single day.

SPECIFICATIONS:

• Caliber: .300 BLK
• Barrel Profile: Medium
• Twist Rate: 1:8
• Gas System: Carbine
• Muzzle Device: A2
• Charging Handle: Standard
• Buffer Tube: Mil-Spec
• Grip: A2
• Stock: KAK Brace
• Magazine: 30 Round Magazine
• Product Weight: 7.14 lbs.
• 10.5" BBL Muzzle Thread: 5/8X24
• 7.5" BBL Muzzle Thread: 1/2x28
• Country of Origin: U.S.A.