This loadis from theold IMR reloading guide: It isa maximum load.

ARemington 180 grain Core-Lokt bullet:
A Winchester case:
A Winchester magnum primer:
75.5 grains (compressed) of IMR 4831:

That load makes sub moa groups when fired from the 28" barrel of my Mathieu. It also groups well when fired from my Ruger 77.