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5.56 x 45(223) Standard Mass-M16 BCG complete
$189.00
Description
Blacknitride+ Enhanced Heat Treat Finish,
Precision Machined Bolt, RCA Stainless Steel Blacknitride+ Treated Firing Pin,
Cam Pin, and Firing Pin Retaining Pin.
Carrier material 8620
Bolt material 9310
Tool steel extractor and cam pin
*LIFETIME WARRANTY*