I did classic load work up for my bolt gun, found accuracy in it and tested in the AR's; accuracy and function were both good enough for my purposes. IME 95% of maximum has been a good place to start.

'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