10-06-2022, 05:19 PM
LRRPF52 Wrote:The most helpful tool you will invest in if you dont already have it, is a Hornady headspace comparator with .350 bushing.
A lot of people run into issues re-sizing their brass too far in the die. The headspace comparator will really help you avoid that by providing a clear picture of where you unfired and fired datum line is, and then assist in buying your headspace back minimally, preserving your brass life.
Interesting note about the comparator. I have one, but I have used it sparingly during primarily load development.
From what you are saying, it sounds like I would use a 0.35" bushing to measure at a particular point in the shoulder of the cartridge. I suppose the thought process is that as I use the brass more, the shoulder will move and I can measure that change. But I am not sure what to do with that knowledge in particular. Can you help refine that thought process for me?