12-19-2020, 11:59 PM
first off, don't clamp the upper in the vice...
You need to use this if you're gonna put any legit torque on the end of the barrel https://www.brownells.com/gunsmith-tools...55168.aspx
You need to use this if you're gonna put any legit torque on the end of the barrel https://www.brownells.com/gunsmith-tools...55168.aspx