Lyman Taper Crimp Die Only

I've been roll crimping revolver reloads since forever, but I figured I would give this a try. It doesn't represent the nicest machining work (it's a bit rough on the inside), but maybe that doesn't matter for the die's purpose.In any event, it works. I've run .38 and .357 target loads, keeping the same unfired cartridge in a 7-shot cylinder while I fired the other 6 rounds. After the 24 rounds, there was no pullet pull on the unfired cartridge. Of course, the expander die has a lot to do with this. Too much expansion and no amount of crimp – roll, taper or otherwise – will keep the bullet in place.Two nice benefits: Length of the brass is far less important than with a roll crimp. And, since you're working the brass less, splits at the case mouth should be less frequent.I haven't tried it with magnum loads using slow powder. This may still require a heavy roll crimp.