I wouldn't. I'd fire all the primers and do it all over again, the right way. The problem, to my thinking, is there is a high likelihood of polishing cob working its way into the flash hole. You won't be able to see it or get all of it out. When you fire your loaded rounds, the grit will interfere with th e primer flash, and give you unpredictable powder burn. Or failure to fire altogether.
Randall
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