Perma Blue® Liquid Gun Blue, 3 fl. oz. Bottle
- The proven way for touching up or completely Reblueing most guns.
- The fast-acting liquid gives a non-streaky, uniform blue-black finish.
Birchwood Casey® offers you the best ways to touch up scratches and worn spots or even completely reblue most guns. it will give a non-streaky, even blue-black finish to steel (except stainless). both Perma Blue® Liquid Gun Blue and paste gun blue provide great blueing to metal that has already been thoroughly cleaned and is free of rust. Perma Blue® paste gun blue is slower to darken than liquid gun blue but will build up a denser finish. note: Perma Blue® Liquid Gun Blue will not blue stainless steel, aluminum or non-ferrous metals.