The LBE Nickel Boron Complete BCG includes the firing pin, retaining pin, cam pin, extractor and bolt gas rings. Made in the USA.
Features and Specifications:
- Bolt Material 9310 Tool Steel
- Carrier 8620 Steel
- Staked Gas Key
- NiB Coated
- Includes Firing Pin, Retaining Pin, Cam Pin, Extractor, Bolt Gas Rings