I've ascertained the problem may be the dies by utilizing them in my D1050 Software head, then resizing different 9mm cases like an individual phase press. I'm only utilizing the press for resizing, and remove the resized cases when the shell plate improvements. "Once fired brass" is an marketplace expression https://9mm-reloading-bullets41840.thenerdsblog.com/42222669/not-known-factual-statements-about-9mm-bullets-for-reloading