Birchwood Casey Perma Blue Paste Gun Blue, 2 oz.

Perma Blue paste gun blueing Touch-up scratches & worn spots...or completely reblue a gun Non-streaky, even blue-black finish on steel surfaces (except stainless) Clean with metal cleaner & remove all rust before applying Blueing paste is slower to darken than the liquid version but builds up a denser finish 2 oz.