Birchwood Perma Blue Liquid Gun Blue

There's nothing like the deep color of a beautifully blued firearm or the authentic patina of a browned muzzleloader. And nothing can help you achieve flawless metal finishing like Birchwood Perma Blue Liquid Gun Blue. With Birchwood products which include complete blueing kits and handy touch-up pens you will properly prepare metal surfaces and achieve a pristine professional looking finish.