ihocky2 Posted March 22, 2016 Share Posted March 22, 2016 I started resizing some 7mm Rem Mag brass last night and was about 20 pieces in when I noticed the cases are badly scratched all the way around. Not sure what happened but the inside of my sizing die shows the same scratches, so at least I know it is coming from the die. These scratches are deep enough you feel them if you drag a finger nail across them, would you still use this brass or replace it? Link to comment Share on other sites More sharing options...
Alan550 Posted March 22, 2016 Share Posted March 22, 2016 For a high-pressure round like that, maybe I'm just a wimp, but that brass would go in the recycle jug immediately. Also, time for a new sizing die, but that's just me. I've had a .308 Remington 7400 rifle "blow up" on me due to a reloading error, and that's a lot lighter round than you're dealing with here. Just my 2 cents, FWIW. Alan~^~ Link to comment Share on other sites More sharing options...
bigedp51 Posted March 22, 2016 Share Posted March 22, 2016 Use the appropriate size shotgun cleaning mop and some J&B Bore paste, automotive rubbing compound etc. to polish the inside of the die using a drill. Polish the cases with some 0000 steel wool and then check the cases again. Normally scratches caused by dirt and grit in the die will not harm the case. When I started cleaning my semi-auto cases by wet tumbling with stainless steel media scratched dies became a thing of the past. Link to comment Share on other sites More sharing options...
ihocky2 Posted March 23, 2016 Author Share Posted March 23, 2016 Thanks for the information guys. I am going to scrap these pieces to be safe. I have a new die showing up in a couple days. Still not sure what happened but there are definite scratches in the die that seem deeper than caused by dirt. Link to comment Share on other sites More sharing options...
Alaskapopo Posted April 30, 2016 Share Posted April 30, 2016 Pics would help but scratches are nothing to lose sleep over even on a high pressure rifle round. Pat Link to comment Share on other sites More sharing options...
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