I've been working on a 9.3mm bullet for a 9.3x72R. Fairly low pressure, no GC Needed.
However, I tumble lube. SO, I worked the program and came up with this:
Very pretty, and almost exactly what I want.
But the system won't let me order it.
Is this type of small groove somthing the system/lathe just won't do?
(Pertinate data for people to try: 205gr .367dia, TAN, .070 front band, .375 nose, .100 base, no crimp, 70% Meplat, 4 bands, 4 grooves, band length .04, OAL .775)