Birchwood Casey Spanish Perma Blue Liquid Gun Blue 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). Perma Blue provides great blueing to metal that has already been thoroughly cleaned and is free of rust. Please note: Perma Blue Liquid Gun Blue will not blue stainless steel, aluminum, or non-ferrous metals.

• Proven way for touching up or completely reblueing most uns
• Fast-acting liquid gives a non-streaky, uniform blue-black finish
• 3 fluid ounce size
• Great for blueing metal that has already been thoroughly cleaned and is free of rust
• Please note: Perma Blue Liquid Gun Blue will not blue stainless steel, aluminum, or non-ferrous metals