JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-223 Enhanced Bolt Black JPBC-6HA. 223/5.56 Bolt Jpcp-223 Enhanced Cam Pin Jpfprp-223 Enhanced Firing Pin Retaining Pin. For difficult setups like suppressed rifles and exotic...
JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-223 Enhanced Bolt Black JPBC-6HA. 223/5.56 Bolt Jpcp-223 Enhanced Cam Pin Jpfprp-223 Enhanced Firing Pin Retaining Pin. For difficult setups like suppressed rifles and exotic...