[/quote] Was wondering if the .365 dia. was for a different 9.3mm cartridge, or if it is just European convention resulting from rounding the metric to inches.[/quote]
I doubt it. I have a box of the 286 Oryx bullets, and on three different calipers (two digital and one dial) they just measured .365".
Out of curiosity, at the same time I measured two other brands of 9.3mm bullets, and they also went .365".
All three shoot very well from my CZ 550 9.3x62.
