Ready to run the moment it hits your bench. This complete AR15 lower comes fully assembled, function-tested, and built on a forged 7075-T6 hardcoat anodized receiver. It features a Mil-Spec buffer tube setup, standard M4 adjustable stock, crisp single-stage trigger, A2 grip, and all small parts installed. Drop it onto any Mil-Spec upper and you’re ready to roll.

Every One Horse rifle 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.