I'd seen this press mentioned somewhere else a little while ago, same people who make the AMP annealer, which is a wild price,no doubt this will be as well. It does illustrate quite clearly, what differences there are in bullet seating force, which can also be applied to sizing as well. Can't say as too many folk are likely to be buying one if they release it, but it surely is illustrative;
Intersting vid on bullet seating force
Linear Mode
