Lee sizing die leaves scratches on 9 mm brass, how safe ?
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March 14, 2013, 11:04 PM
Join Date: March 4, 2006
Try poking a little bit of a cotton ball up into the suspected die. If there is a burr, a few cotton fibers will hang up on it as you pull the cotton back out. That would show you where you would need to focus your polishing efforts.
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