Perma Blue Liquid offers you a great way to touch up scratches and worn spots or even completely reblue most guns. It will give you a non-streaky, even blue-black finish to steel (except stainless steel). It provides a great blueing to metal that has already been thoroughly cleaned and is free of rust.
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The proven way for touching up or completely re-bluing most guns
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The fast-acting liquid gives a non-streaky, uniform blue-black finish