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AR-STONER Crucial Parts Kit AR-15



Product Information

Weight 0.4 Ounce
Compatible With

Delivery Information

Shipping Weight

0.038 Pounds

Product Overview

The AR-STONER™ Crucial AR-15 Parts Kit is the best option on the market for replacement small parts. Keep this kit on hand during your next AR-15 build. If you’ve ever dropped a detent on your shop floor, or had a spring jump out, you know having this kit will save you time. No more scanning the floor for hours for that small part and putting your build on hold. This kit includes crucial standard mil-spec parts used in an AR-15, to ensure smooth and reliable operation and build saving time. Add the AR-STONER™ Crucial AR-15 parts kit to your next order to save time and give you peace of mind.

Kit Includes:

  • Firing Pin Retaining Pin – 2
  • Takedown and Pivot Pin Detent – 4
  • AR-15 Extractor O-Ring – 2
  • Extractor Spring AR-15 – 2
  • Buffer Retainer Spring – 2
  • Takedown and Pivot Pin Detent Spring – 4
  • Safety Selector Detent – 2
  • Buffer Retainer – 2
  • Safety Selector Detent Spring – 2


  • Standard Mil-Spec Lower Parts
  • Smooth Operation
  • Dependable Parts at an Unbeatable Price



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