The proven way for touching up or completely re-bluing most gunsThe fast-acting liquid gives a non-streaky, uniform blue-black finish
The longest lasting finish but slower to darken than the liquid blues. Easy to use Perma Blue Paste Gun Blue reacts slowly with the metal but builds up a denser finish that will outlast the liquid blues. Excellent for touch-up or complete rebluing.
WARNING: To the state of California, this product is known to have chemicals that cause cancer, birth defects, and harm to the reproductive system.