Many thanks guys.Am presently getting my stuff together-core cutter,lead dies etc. Am using, as a start,big boss press,C-H 45 SWC swaging dies,C-H,core cutter,DC knurling tool.Trying to find wire lead .430 diameter.Was talking to RC today and he said my idea will work but I think I will hold out for a adj core die.Tnx again for advice.Ernierod