I have ascertained the problem is the dies by utilizing them in my D1050 tool head, then resizing various 9mm cases like one stage press. I'm only using the press for resizing, and take away the resized cases when the shell plate improvements. With trimming applying something like a Lyman https://9mm-projectile18407.blogkoo.com/fascination-about-9mm-reloading-brass-56117860