Rubber City Armory Bolt Carrier Group-5.56-Black Nitride
- Blacknitride+ Enhanced Heat Treat Finish,
- Precision Machined Bolt
- RCA Stainless Steel Blacknitride+ Treated Firing Pin, Cam Pin and Retaining Pin.
- Carrier material 8620
- Bolt material 9310
- Tool steel extractor and cam pin
- *LIFETIME WARRANTY*
1 in stock
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