Doublestar Corp. Bolt Carrier Rebuild Kit Contains the following parts to rebuilt your BCG:
- 1 Extractor
- 1 Extractor Spring With Bumer Pad
- 3 Gas Rings
- 1 O Ring
- 1 Extractor Pin
- 1 Firing Pin
- 1 Firing Pin Retaining Pin
- 1 Gas Key
- 2 Gas Key Screws Ar789
