Nope Just start low and work your load up. Every barrel is different and internet wisdom is worth just what you paid for it. I have some loads that i was still supersonic with last year but this year they were going trans sonic around 950yds. Different conditions and a little more wear on the barrel. Just watch for pressure signs and when you get sign back off a little as that likely means you are overpressure by the time you see or feel pressure problems.
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