Depending on how you're working, you don't need to get lube on cases to de-prime them before cleaning. That only happens if you are only depriming during sizing. There are plenty of ways to de-prime cases without lubing them up and running them through a sizing die.
If you need to clean your cases, de-prime without sizing.
Putting walnut shell dust (and there's always a little, no matter how new your media is) into the primer cup doesn't seem like a good way to ensure consistent ignition. Tumble your brass, only. No primers.
Never, NEVER, NEVER do this. Gunpowder is a particular shape, e.g flakes, spheres, little cut extrusions. It's formulated to work while in it's normal shape.
Tumbling or using a vibratory cleaner on loaded ammo will eventually turn powder, no matter the shape, into a fine dust. When you do that, you've exponentially increased the surface area of the powder resulting in much faster ignition. As it's designed, gunpowder creates a controlled burn (a fast burn, yes, but controlled to within design specifications) that releases a lot of gas to expel a bullet. When you turn it into something resembling talcum powder, there's far less control on the burn rate. It pretty much all goes up at once.
Basically, tumbling or vibrating ammo is a good way to turn each round into a gun-wrecking (and maybe shooter-wrecking) little bomb.
Never use a vibratory cleaner or a tumbler to clean loaded rounds. Never.
Thanks for the response to tumbling live rounds. I’ve read online that people do it and no issues and other people, like you, say do not ever do it. I get more never do it results on google searches then it’s ok to do it. I’m always looking to increase my reloading level. Thanks to you and dawico for you input and not trying to put me down and trying to make me look stupid for running an idea past everyone. I’m good at making myself look stupid on my own
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