AR-STONER offers replacement components for the AR-15. These high quality components provide excellent fit and reliable function. AR-STONER parts are perfect for upgrading existing components or replacing worn or broken parts. Don't waste your time or money, grab a few AR-STONER parts today!
- Radial friction fit keeps the spring retained in the lower receiver bore on one end(larger end) and in the retainer bore on the other(smaller end)
- Corrosion proof stainless steel
- Twist right and push to install
- Twist right and pull to un-install
- No more lost retainers or springs!