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Old June 22, 2025, 12:05 PM   #161
Metal god
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Join Date: April 10, 2012
Location: San Diego CA
Posts: 7,124
Case volume

I have two different lots ( same head stamp ) of brass that have a very close IMO average case volume . Can /should I just mix them . I use bushing dies and I haven’t checked neck wall thickness yet though so ….. maybe I should do that

On a side note . Now that I’ve been looking at mean radius , I’m not sure what is good . Ok the lower the better I assume but where is the line of good and maybe you should work on the load more . ES is pretty easy to make that call but mean idk ?

Most of my groups right now seem to be getting me a 1/3 mean of ES what does that “mean”

Edit: so I’ve been looking at all my recent groups and like I said almost all have the mean about 1/3 the size of ES regardless of 5 shot or 10 shot groups . Which may answer my question . Although most of those groups seem pretty good looking on paper I’ve only been happy with one . I guess that means 1/3 of ES is not that good and I should keep working on them all
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Last edited by Metal god; June 22, 2025 at 02:01 PM.
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