Hi. Use the SAAMI Max of 3.340" for any .30-06. Save you a lot of mucking around. The bullet type and powder don't matter. And OAL is measured from the pointy bit of the bullet to the flat of the case head. No ogives involved.
Thanks,I will try that and see how it goes57g IMR4350 with the 165 SST seated to the center of the cannulure with the brass trimmed to 2.485”
That netted some pretty accurate groups in my rifle.
As always, don’t let random folks on the internet be the final authority on your load selection. Always verify with published load data. It’s easy for someone to fat finger an important detail or just not know what the hell they’re talking about.