The original high-speed formula, the Brownells® 44/40 Instant Gun Blue has long been one of the cold-blue standards in the industry with fast and easy, wipe-on/wipe-off application. Simply dampen a patch with 44/40®, wipe it on, and wipe it off immediately with a dry one. The coloring action is instant and the color penetrates deep into the metal for a long-lasting finish. Superb for touch-up. Great for external and internal parts and pieces, and for jobs around the shop, too. The highly active formulation makes sure that you're going to be able to expertly touch-up virtually any non-stainless gun steel and professionally blend the repair into the original finish.
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