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mikld · July 30, 2009, 10:35 AM

A cordless drill with a 60 degree countersink chucked in it. Just push the case against the countersink for about 1 second, just enough to remove the cimp. Be gentle, it doesn't take much. I did it on about 500 .223/5.56 cases I bought. BTW this also deburrs and champhers case mouths.

July 30, 2009, 10:35 AM	#7
mikld Senior Member Join Date: February 7, 2009 Location: Southern Oregon! Posts: 2,891	A cordless drill with a 60 degree countersink chucked in it. Just push the case against the countersink for about 1 second, just enough to remove the cimp. Be gentle, it doesn't take much. I did it on about 500 .223/5.56 cases I bought. BTW this also deburrs and champhers case mouths. __________________ My Anchor is holding fast! I've learned how to stand on my own two knees...