Stern Defense 9mm Bolt Replacement Kit
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Tons of rounds down range? Looking to rebuild that bolt?
Look no further!
Included:
- Custom 4140 billet extractor providing superior ejection.
- Extractor pin.
- Extractor spring.
- Firing pin.
- Firing pin Spring.
- Firing pin retaining pin.
Note: Designed to be used with the SD BU9 only.
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