Case gauge

#1 · June 22, 2015, 2:06 am

I bought a 223 case gauge and this is my first rifle reloading. On the bottom side of the case gauge there is a line. Time for dumb question what's that line for?

#2 · June 22, 2015, 9:42 pm

http://dillonhelp.com/Dillon%20Manual%20PDFs/accessory_manual_may_2007.pdf