Birchwood Casey Presto Mag Gun Blue 90ml

Presto® Mag Gun Blue is a cold blue formulation that works on all steel (except stainless steel). Specifically formulated for when you want a deep blue luster on your firearm’s metal surfaces.

Features

• Cold blue formulation that works on all steel (except stainless steel).
• For complete reblue applications.
• Formulated for deep blue luster.
• 3 fl. oz.