One Horse OH-15 | 5.56 NATO | 16" | Mid-Length Gas | 30rd Rifle

The One Horse OH-15 (MPN: OH-OG01) is a 5.56 NATO AR-15-style rifle built around a 16-inch SOCOM-profile barrel and mid-length gas system. This configuration is positioned as the straightforward general-purpose model in the OH-15 lineup, pairing familiar AR controls with a six-position M4-style stock and standard-capacity magazine.

One Horse specifies a 1:8 twist rate, 1/2x28 muzzle threading, mil-spec buffer tube, A2 grip, and a 30-round magazine. The mid-length gas system distinguishes OHOG01 from the OHOG02 carbine-gas model. The rifle is optic-ready through its top rail and uses a threaded barrel for compatibility with appropriate muzzle devices. Listed product weight is approximately 7.14 pounds.

Key Features & Capabilities

• 16-Inch 5.56 NATO Barrel: SOCOM-profile barrel with 1:8 twist and 1/2x28 muzzle threads.
• Mid-Length Gas System: This is the defining operating-system difference between OHOG01 and the related OHOG02.
• Adjustable M4 Stock: One Horse six-position stock mounted to a mil-spec buffer tube.
• Optic-Ready Upper: Flat-top rail provides a straightforward mounting surface for compatible sights and optics.
• 30-Round Magazine Included: Factory configuration includes one standard-capacity magazine.

The OHOG01 is the better fit within the One Horse lineup for a buyer specifically seeking the 5.56 model with a mid-length gas system. Browse AR-15 rifles or shop .223 Remington and 5.56 NATO ammunition.