Finish your AR15 lower with this dependable 6-position buffer tube kit. The 7075-T6 aluminum tube is CNC-machined and hardcoat anodized for strength and long-term durability. It includes the carbine buffer, Mil-Spec recoil spring, end plate, and castle nut—everything you need for a solid, adjustable setup.

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.