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Presto Mag Gun Blue is a cold blue formulation that works on all steel (except stainless steel). It is specifically formulated for when you want a deep blue luster on your firearm's metal surfaces.
Available in store
ClosePresto Mag Gun Blue is a cold blue formulation that works on all steel (except stainless steel). It is specifically formulated for when you want a deep blue luster on your firearm's metal surfaces.
