Rubber City Armory Bolt Carrier Group-5.56-Black Nitride

$189.00

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*