I have ascertained the situation is the dies through the use of them in my D1050 Instrument head, then resizing several 9mm cases like an individual phase push. I am only using the push for resizing, and take away the resized cases as soon as the shell plate improvements. ) https://reloading9mmammo20851.post-blogs.com/58734286/not-known-factual-statements-about-9mm-bullets-for-reloading