Looking at match work reports, I would say the 300 wm is as much or more a barrel eater than the 243.
Under 1500 seems for sure and under 1000 in a lot of cases (pun)
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So I applaud the 30-06 choice not only for that reason, if you want to push it with R-17, you can get 300 WM mag velocities. (I also like it!)
Don't get me wrong, you have to go up past the recommend and if you do you need to be very careful on pressure and not looking at primers, miking the base, hard to extract sneaking up in tiny and repeated steps.
People often want something new, I keep hearing how old the 30-06 is and there are better and greater things out there.
Well Lewis and Clark went across the entire USA getting game with Muzzle loaders and an Air Rifle (damned good one but an air rifle)
That included Grizzly.
The only thing a 30-06 can't do is Elephant and Cape full head on (and maybe with the right developed bullet it could as well, Deplete Uranium or some such)
But there are two cartridges that are close to identical that stand the test of time, done right and as solid as they get and you can't improve on them.
Match them yes, but real improvement? nah.
7.92 Mauser (parent) and 30-06 (direction offspring) and they can take anything in th4e world (Elephant and Cape included from the side)
30-06 just wins because its now far more widespread (locally not in some case but world wide yes).
Its the all time King and always will be as long as there are bullets going down barrels.