Home / AR's / Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Category: AR's Product ID: 12417 Description Description Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Related products Birchwood Casey Perma Blue – Liquid Gun Bluing – 3 oz bottle Slip 2000 – Extreme Weapons Grease in syringe Birchwood Casey Gun Scrubber – Single Purpose Firearm Cleanter – 10 oz Can Birchwood Casey Gun and Reeel Silicone Cloth –