I agree on the use of H4831 witih these mature bullets. I have approached 60 grains of it in the '06 made for hunting Montana in really cold temps. Really old Noslers came in paper bags from the original location on the south end of main drag out of Bend. Seconds of the 200 grainers in 30 cal...
i have an older magnum length pre-64 300 H and H rechambered by Weatherby (he used to do it for 15 bucks as mine was) to the 300W. I have shot the 220 grain Hornadys over mamoth loads of H870 with tremendous muzzle blast and good velocity. I prefer the 200 grainers now but would try any of the...