Quote:
Originally Posted by mikld
One thought; are you "drilling out" the crimp or beveling the primer pocket mouth? "Drilling out" by trying to drill with the drill bit the same diameter as the pocket or using a drill larger than the pocket to just bevel/chamfer the pocket mouth?
When I have nothing else to do I occasionally sort my 9mm brass by headstamp (I know it doesn't really matter, but I find some weird/odd headstamps and I'm playing with my "reloading stuff"). I have a 1/2 gallon jar of military headstamp 9mm cases of a few different manufacturers, but I have never had a problem with removing any primer pocket crimps with a plain old 60 degree countersink...
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I used a slightly larger drill to chamfer the opening of the primer pocket.
It was futile though because again, some of the pockets were so shallow that I had to flatten the primer to get it out of the shellholder. in my priming tool.