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Old April 1, 2013, 07:04 PM   #40
Junior Member
Join Date: March 31, 2013
Posts: 2
I agree this isn't a scratch in the die. And it isn't a burr in the die. A scrape that wide tells me to first check shell seat to see if there's debris in it which is preventing the brass case from being perfectly centered as the ram powers it up into the die. If the brass case is just a smidge off-center, pushing the ram up will cause the brass case to scrape the rim of the die as it slides up into it. With the case a smidge off center, seating a bullet will cause the slight bullet bulge on the side. I'm 99% sure this is what is happening here - as it happened to me yesterday.
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