BC Perma Blue Liquid Gun Blue 3 Ounce

Since 1948, serious shooters, avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products that have stood the test of time. Birchwood Casey has pioneered innovative products with an unwavering dedication for quality.

Gives a non-streaky even blue-black finish to steel (except stainless). All parts to be blued must be thoroughly cleaned with a metal cleaner and any rust must be removed.