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I have a 1943 03A3 and lot of mil -06 brass to use. Should I use the published loading data for comm'l reloading, knowing the mil brass is thicker and will increase the pressure?
Military brass is heavier because it is thicker? At best that is a half truth. I have measured military cases, most have a case head that is .200" thick from the cup above the web to the case head. I also have thousands of commercial 30/06 cases that I have measured. My R-P case heads measured .260" from the cup above the web to the case head. My Military cases weighed more than my commercial cases meaning my R-P cases were thicker at the case head than my military cases. What I was left with was military case with long powder columns with small diameters and commercial cases with short powder columns with large diameters.