Doublestar Corp., Bolt Carrier Rebuild Kit, Contains 1 Extractor, 1 Extractor Spring With Bumer 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
- Precise Manufacturing
- Long Term Reliability
- Durable Construction