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Parts Kit, Complete BCG Repair Mk57 for 5.7x28mm. Includes Bolt, Firing Pin, Firing Pin Retainer Pin, Key (RDB), Key Screw X 2, Bolt Cam Pin, Extractor, Extractor Buffer & Spring, Ejector, Ejector Spring, Bolt Spring (RDB), Roll Pins. Image notes indicate parts are for 5.7x28mm.
Specifications
- Manufacturer:
- Cmmg
- Category:
- bolt-carrier-group
- Required Component:
- Yes
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