SOMOSS, I shoot an Italian 10.4x47 Vetterli-Vitali. Rather than turning them down on the lathe, I turned some swaging dies to swage the base of a .348 Win. brass down to 10.4x47 specs.
Bullets have been a problem. I've used .429" .44mag. bullets with marginal success. The trouble being, the original bullets were two diameter, sort of like heeled bullets, the OD being the same as the case neck OD. Are the Swiss bullets the same in this respect? I'd sure like to go partners with a few shooters in ordering a 250gr. two diameter bullet mold, to absorb the set-up fee Lee gets for custom molds.
Morgan