Our lower parts kits contain all high quality, 100% USA produced components, manufactured to our exacting standards. Each kit is guaranteed to fit your mil-spec dimension lower receiver. We don't use foreign made parts, polymer parts, or MIM parts. These are quality kits at an excellent price.AR15 Lower Parts Kit - Spring KitAll of the springs for the AR15 lower receiver. Perfect for spare parts or for an ultra custom build.
- Hammer Spring
- Trigger Spring
- Disconnect Spring
- Pivot pin detent spring (2)
- Selector detent spring
- Bolt catch detent spring
- Buffer retainer spring
- Magazine catch spring
- 100% USA Made
