I just bought some " Lee carbide dies", that I seem to get stuck cases with. If these are carbide, why the stuck cases? I am using 9mm, and getting stuck.. I brought the first set back, and they gave me another set, and told me they are carbide dies. I also noticed some black grease inside the size die. I cleaned it out, and started over with reloading....15-20 rounds later, the new die stuck a case again?