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.
Everyone who builds launches a detent or spring at some point. This kit contains all of the commonly lost parts that end up in your carpet, only to be found when you move. Keep one on hand so you don’t stall out on your next build.
1 – Buffer retainer pin – Nitride
4 – Takedown / pivot pin detent – cadmium plated
2 – Selector detent – cadmium plated
2 – Ejector / Selector spring
2 – Disconnect spring
6 – Takedown / pivot pin spring
1 – Buffer retainer spring
1 – Bolt catch detent – nitride
2 – Bolt catch spring
2 – Extractor spring
2 – Extractor insert
2 – Extractor O-ring
2 – AR15 firing pin retaining pin
100% USA Made