After looking into it, the measurements of the .458 Winchester magnum look very appealing. It looks like mag well length and bolt face would both work. Am I reading this right?
Yep, bolt and and length would not be an issue. I don’t have that particular rifle to try.
But, I just ran 416 Ruger 400 grain Hornady and 458 Winchester 500 grain Hornady rounds through a M70 classic CRF 338 Winchester to the extent the chamber would allow.
3ea in magazine, both worked. The 458 Winchester being a bit slimmer in the case body, gives a little more room for width in the magazine well.
