300BlkTalk

To add to what's stated above, the torque specification for the barrel extension is supposed to be 130-150 ft/lbs. Some manufacturers haven't followed that, and rely on thread locking compounds or the little barrel index pin to lock it in place. While it is still highly recommended that you isolate ...

I'd like to request a copy of the spreadsheet as well, certifiable. Thanks in advance for all your hard work and your contribution to our forum community!