Designed for interior apps. Marine Polish - 32oz. The company's filing status is listed as Active/Compliance and its File Number is 11076066. If you want a good DuraCoat finish that will last you need to send it to someone that knows how to apply it. We are the proud manufacturers of DuraCoat® Firearm Finishes and an entire line of quality products for gun restoration, customization, and protection. The Registered Agent on file for this company is Kirksey, Jason and is located at 6780 Thomaston Rd, Macon, GA 31220. Appliance Magic, 8 oz Bottle of Appliance Polish. You can apply DuraCoat Firearm Finishes to any firearm and have a professional tough DuraCoat finish that will last several lifetimes. Major Appliance Refinishing & Repair Major Appliances (1) 38.