- Mil-Spec Lower Part
- Great for New Builds or Replacing Worn Parts
- Dependable Parts at an Incredible Price
AR-STONER™ offers replacement components for the AR-15, LR-308 that are made to strict military specifications. 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. Grab a few AR-STONER™ parts today!