My hunting load is 11 grains over max published by Hodgdon, but it with a moly bullet and 3.34" OAL, so it is more like 10 gr over max equivalent. There is still good safety margin to stay below extractor groove growth.

I have hunted with 3 bolt action 7mmRM rifles that I rebarreled, re stocked, re triggered, pillar bedded, rescoped, etc , and one Ruger #1 and one Browning 1885 that have original barrels.
I headspace at 0.215" to the belt, not the 0.220" minimum called out by SAAMI.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps