ONE HORSE COMPLETE LOWER PARTS KIT FOR AR-15

Finish your AR15 lower with this comprehensive Mil-Spec Lower Parts Kit. Includes every pin, spring, detent, and component needed for a fully functional lower—minus buffer tube assembly and stock. The phosphate-coated single-stage trigger delivers crisp, reliable 5.5–7 lb pull with proven mil-spec geometry.

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.

SPECIFICATIONS

Manufacturer: One Horse

Country of Origin: U.S.A

INCLUDES

• Single-stage Mil-Spec trigger
• Trigger spring
• Hammer
• Hammer spring
• Disconnector
• Disconnector spring
• Trigger pin
• Hammer pin
• Selector
• Selector detent
• Selector detent spring
• Bolt catch
• Bolt catch plunger
• Bolt catch spring
• Bolt catch roll pin
• Magazine catch
• Magazine catch button
• Magazine catch spring
• Takedown pin
• Pivot pin
• Takedown/pivot detents (2)
• Takedown/pivot detent springs (2)
• Buffer retainer
• Buffer retainer spring
• Trigger guard
• Trigger guard roll pin
• Bolt release roll pin
• A2-style pistol grip
• Pistol grip screw
• Pistol grip lock washer