The Firing Line Forums - View Single Post - New bolt with semi-used bolt carrier (600 rounds)

Quentin2 · June 7, 2013, 12:34 AM

As long as the SIG BCG is milspec. But why swap? Or did you just buy a BCM bolt?

June 7, 2013, 12:34 AM	#2
Quentin2 Senior Member Join Date: June 18, 2009 Location: NorthWest USA Posts: 1,996	As long as the SIG BCG is milspec. But why swap? Or did you just buy a BCM bolt?