Quote:
Originally Posted by SMSgt
Grab a bag of ground walnuts from Petco or the like. Inexpensive for a big bag. I can tell by how long it takes to clean that it needs to be replaced. A few drops of liquid auto wax in the mix keeps the dust level down and produces shiny, slick cases. I've found it more effective than corncob.
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Not all walnut is equal. The stuff I got from a pet store was too coarse for anything but pistol cases. The peices kept getting stuck in my rifle case mouths.
Since then, I've moved to fine grain blast media fro Harbor Freight.
As far as when to change it, you will notice that it takes a good bit longer to tumble them clean. There is no set time or number of cases. Depends on how dirty the cases are, what type of powder you use etc. Its a play it by ear type of deal.