Birchwood Casey Gun Restoration/Refurbishment Solutions for Stock and Barrel

It will give a non-streaky, even blue-black finish to steel (except stainless). Perma Blue Paste Gun Blue is slower to darken than Liquid Gun Blue, but will build up a denser finish. Perma Blue® Paste Gun Blue is slower to darken than Liquid Gun Blue, but will build up a denser finish.NOTE.

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