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The 9.3 x62 doesn't have much shoulder, I would be more worried, about the shoulder than the ring on the brass,
3/4 turn is quite a lot, you may end up with head space issues, I would recommend...

I am going to say that is the limit, that the full length sizing die, sizes the case down, its very low and the brass, should be starting to thicken by that point.
perhaps mark a case with a felt...