The Doublestar Corp bolt carrier rebuild kit provides everything you need to rebuild your AR-15 bolt carrier.
The kit includes:
- 1 Extractor
- 1 Extractor Spring with Bumper Pad
- 1 Set of 3 Gas Rings
- 1 O Ring
- 1 Extractor Pin
- 1 Firing Pin
- 1 Firing Pin Retaining Pin
- 1 Gas Key
- 2 Gas Key Screws
