Product Features & Specifications

One Horse LLC OHCU03

Dominate close-quarters scenarios with this 10.5″ 5.56 NATO Complete Upper Receiver.Featuring a 10.5″ barrel with a 1:7 twist rate, this upper delivers reliable bullet stabilization for a wide range of 5.56 NATO ammunition, ideal for tactical, home defense, or short-barreled rifle (SBR) and pistol builds.

The 10″ M-Lok rail provides a lightweight, modular platform for mounting accessories, while the nitride-finished bolt carrier group ensures smooth cycling, enhanced durability, and low maintenance.Complete with a charging handle and built to Mil-Spec standards, this upper is ready to pair with any AR15 Mil-Spec lower receiver for a seamless, high-performance setup.