Mr.C Posted February 24, 2021 Report Share Posted February 24, 2021 Gentlemen I have a tumbler coming for cleaning 308 and 223 brass. There are various media on the market but I would like a recommendation from someone who does it. I'd rather only tumble once and it'll be fired brass not anything I've dug out of the ground! Suggestions please. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
steve_b_wales Posted February 24, 2021 Report Share Posted February 24, 2021 (edited) I use ground Walnut shell. I've also used Corn shell. I had good results with both. You can also buy it treated. My cases are cleaned in an ultrasonic cleaner first, using Birchwood Casey Brass cleaner, then polished in the tumbler for a minimum of an hour. Edited February 24, 2021 by steve_b_wales Quote Link to comment Share on other sites More sharing options...
Scully Posted February 24, 2021 Report Share Posted February 24, 2021 I used to buy mine from Tim Hannam (?) back in the days, and it consisted of cork, sawdust and nut shells if I recall. Quote Link to comment Share on other sites More sharing options...
Mr.C Posted February 25, 2021 Author Report Share Posted February 25, 2021 There are many and various treated and plain versions of crushed walnut shells or corn cob, or for all I know combinations of both with additives. Quote Link to comment Share on other sites More sharing options...
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