I use a headspacing gauge and measure the length of the fired case. I then set my full length sizer to only bump the shoulder .001-.002"s.

For you guys that aren't bumping the shoulder. Are you using a dedicated neck sizer or simply not screwing your full length sizer in all the way?


"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." Thomas Jefferson

"I ask, who are the militia? They consist of now of the whole people, except a few public officers." George Mason