I have a fallow stainless M70 .30-06 that needs the treatment of conversion to .458 WM+.
That would be a good use for my one remaining Duane Wiebe XRM mag box (4+1 instead of 3+1 with factory box)
and my one remaining Jim Wisner copy of the African rear sight.
I'll be needing an NECG front sight,
and a McGowen No. 5 sporter of 1:14" twist for that.
I'd make it 24" for barrel length.
Expect that to total about 8.5 pounds in a synthetic stock.