ONG Posted November 23, 2007 Share Posted November 23, 2007 I am polishing up some 9mm brass that has been deprimed. @20% of the brass have some corn cob stuck in the flash hole. Is this anything to worry about? I have been blowing them open with a air hose but it's a PINA. Hope you had a nice Thanksgiving. Link to comment Share on other sites More sharing options...
JFD Posted November 23, 2007 Share Posted November 23, 2007 If you have a sizing die on the press when you load, then it should clean the media out of the flash holes. I know I end up with a lot of media in my spent primer container and have never had ammo issues with any decapped brass I've used. Link to comment Share on other sites More sharing options...
ONG Posted November 23, 2007 Author Share Posted November 23, 2007 That's what I was hoping to hear. Link to comment Share on other sites More sharing options...
LPatterson Posted November 23, 2007 Share Posted November 23, 2007 The operative word is SHOULD because I have found brass that has been deprimed & still has corn cob in the primer hole. I admit to being OCD and stand all brass up to make sure it does not have a rock inside or a large spider nest before I deprime with a single stage press. Then I check head stamps to make sure of the brand & clean out left over corn cob. TOO LATE to teach an old dog new tricks. Link to comment Share on other sites More sharing options...
vernbo Posted November 23, 2007 Share Posted November 23, 2007 Try re-tumbling them for a few minutes with no corncob media in the tumbler, should shake most of it out. start with small batches to get more vibration. Link to comment Share on other sites More sharing options...
standles Posted November 23, 2007 Share Posted November 23, 2007 I did that once and now never tumble deprimed brass. For that one time I took a blower on the air compressor and blew them oout. Steven Link to comment Share on other sites More sharing options...
TrueDoubleTaper Posted November 23, 2007 Share Posted November 23, 2007 I used to blow out all my brass also, until I started getting worried about lead dust. Media dust on your brass is loaded with it. I have reloaded about 300,000 rounds in the past 3 years and have not had an issue with any of the pieces of corn cobb... Link to comment Share on other sites More sharing options...
SLM Posted November 23, 2007 Share Posted November 23, 2007 When I decide to re-polish already deprimed brass I use a much finer grind of corn cob that will just flow through the flash hole. So far I haven't had any media in the flash holes but I haven't done more than 1,000 rounds that way. Link to comment Share on other sites More sharing options...
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