I have ascertained the challenge could be the dies through the use of them in my D1050 tool head, then resizing several 9mm cases like an individual stage press. I am only utilizing the press for resizing, and take away the resized cases as soon as the shell plate improvements. https://israeloqogz.ttblogs.com/17422381/the-fact-about-9mm-dirty-once-fired-brass-that-no-one-is-suggesting