SudburyShooter CGN Regular Rating - 100% 186 0 1 Location Ontario Jul 1, 2015 #1 Spinning a gauge for 300 blackout to use in my stud cutter but forgot to bring in a sample gauge. Can someone with a thread pitch gauge verify?
Spinning a gauge for 300 blackout to use in my stud cutter but forgot to bring in a sample gauge. Can someone with a thread pitch gauge verify?