I've ascertained the issue is the dies by making use of them in my D1050 Software head, then resizing a variety of 9mm cases like one phase push. I am only using the press for resizing, and take away the resized cases when the shell plate advances. Some steel-cased ammo https://9mm-reloading-bullets41740.collectblogs.com/81035555/the-smart-trick-of-9mm-reloader-that-nobody-is-discussing