Originally Posted by
handloader1
I have found the best way to reduce runout is to turn your necks, ream your case mouths, and square your dies. Good luck.
I would have to say that your method is a little more tedious and time consuming. Especially if you have a lot of brass.
Expand the neck, turn the neck, and resize. Not sure about the inside process but I would imagine it is just as time consuming when you are doing a few hundred brass.