One Horse COMPLETE UPPER PARTS KIT W/DUST COVER AND FORWARD ASSIST OH-UPK01

ONCE HORSE LLC COMPLETE UPPER PARTS KIT W/DUST COVER AND FORWARD ASSIST

 

Finish your AR15 upper with this dependable Mil-Spec upper parts kit. Built from durable, corrosion-resistant components, it includes everything needed to complete a standard upper receiver and keep it running smoothly. Perfect for new builds or refreshing an existing 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.

 

Simple, reliable, and ready to drop in.

 

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