Actually the pressures of the .308 Norma are the same or a bit higher than those in the .300 WM.
The Norma is listed in c.u.p. and the WM is listed in both c.u.p. and p.s.i.

The Chosin Few November to December 1950, Korea.
I'm not one of the Chosin Few but no more remarkable group of Americans ever existed.