03-02-2015, 12:08 AM
A Wilson case gauge has two steps. The lower can be used to adjust the sizer die and the higher one can verify that the headspace is in the ballpark.
I use these on my 223, 300 Blackout and 308, have never bought one for the Grendel, but need to I guess.
I use these on my 223, 300 Blackout and 308, have never bought one for the Grendel, but need to I guess.

