This process has been used for many years by people cleaning firearms and badly rusted or leaded bores but has also been the source of a lot of confusion, mis-applied principles and solutions and frequently significant damage to firearms and people with dangerous solutions and by products.

There used to be a product on the market called Outer's Lead Out that used electrolysis but the solution isn't available anymore, commercially. These solutions and methods are explained some on this link:

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Here's a discussion about electric bore cleaners also:

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Just be careful. I would stick to regular methods like JB Paste and lots of brushes including stainless steel brushes which is what I use, carefully, on a rusted bore.

Many people use too much current with electrolysis methods and damage the metal of the bore.