- Mil-Spec Part
- Great for New Builds or Replacing Worn Parts
- Dependable Parts at an Incredible Price
AR-STONER™ is now offering replacement components for the AR-15 that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series platforms. These AR-STONER™ parts are perfect for upgrading existing components or replacing worn or broken parts. Don't waste your time or money on unreliable AR parts, grab a few of the AR-STONER™ lower parts today!