I've ascertained the situation may be the dies by making use of them in my D1050 Software head, then resizing many 9mm cases like just one stage press. I am only using the press for resizing, and take away the resized cases the moment the shell plate advancements. With trimming https://9mm-case85183.articlesblogger.com/58684735/9mm-bullets-for-reloading-an-overview