Yeah, with rifles the only way most of us can get a good idea of pressure is with with a chronograph or something like a Pressure Trace, all the other methods really don't tell you a lot except when you are way over.
I'd trust a $100 Pro Chrono far more than primer shape.
Or just stick with tested data.
'Four legs good, two legs baaaad."
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"Jimmy, some of it's magic,
Some of it's tragic,
But I had a good life all the way."
(Jimmy Buffett)
SotG
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