Birchwood Casey Presto Mag Cold Gun Blue Magnum 3 oz Liquid

The Birchwood Casey Presto Mag Blue Magnum is a cold gun blue liquid for refinishing bare steel firearm parts to a blue-black finish. It is applied at room temperature, so no heat source is needed.

According to the product information, the solution works on all steel except stainless steel and typically requires only one coat. The finish is described as durable and resistant to rubbing off.

This 3 oz liquid is a gun cleaning and finishing product intended for use on steel gun surfaces. Check compatibility before application, since stainless steel is not supported.

• Brand: Birchwood Casey
• Model: Presto Mag Blue Magnum
• Product type: Gun cleaning and finishing liquid
• Size: 3 oz
• Compatible metal: All steel except stainless steel
• Finish: Blue-black
• Application: Cold, no heat required
• Coats: Usually one coat