· 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® presents the finest methods to rectify scratches and worn areas, or even completely reblue most firearms. It will impart a seamless, uniform blue-black finish to steel (excluding stainless). Both Perma Blue® Liquid Gun Blue and Paste Gun Blue deliver exceptional bluing to metal that has been meticulously cleansed and is devoid of rust. Perma Blue® Paste Gun Blue exhibits a slower darkening process compared to Liquid Gun Blue, yet it yields a more concentrated finish. PLEASE NOTE: PERMA BLUE® Liquid Gun Blue is ineffective for bluing stainless steel, aluminum, or non-ferrous metals.