Quote Originally Posted by thomae
If you are spreading the end, you likely have the swaging die in too far. back it off just a bit and see if that helps. I have the RCBS and have decapped thousands with it. Best of luck. I also have the Dillon. It works well also. Torchrider's deburring tool sounds like a reasonable idea as well.
I have a Hornady case prep center and I just use the deburring tool to cut the crimp ring out. It is real easy and no problems so far.