Yukon1911
CGN Ultra frequent flyer
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One suggestion is that you run it through a vibratory tumbler and then a crimping die.
A few rounds in every box seem to need crimping and fail to feed
I would stay away from tumbling live ammo. The vibratory action tends to break down the powder inside the case which can cause a faster burn rate and more pressure or overpressure. Norc 45 is hot enough already

I use scotchbrite pad to spruce up the really cruddy ones, have not had to crimp any yet just clean them up.