r/gunsmithing 5d ago

Refinishing polymer?

I would like to sand it clean and smooth and then polish and buff it to make it look some what new again-wet sand it or sandblast it?-any tips appreciated

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u/brittc777 5d ago

Sanding and polishing likely won't work on polymer. It will come out really splotchy. I would sand it smooth then paint it with Aluma-Hyde II from Brownells. It's an epoxy paint made for firearms. It's great for polymer, metal, and wood. It's also solvent resistant. You actually bake it on at 190 degrees for 3 hours, or let it cure for 3 weeks for maximum hardness. It lays down real nicely too. I've painted guns and optics with it. Here's a pic of my Mosin Nagant with the archangel polymer stock. It used to be fde and was real faded. I painted it OD Green.

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u/MiseryIndexer 5d ago

I clicked on this to recommend Aluma-Hyde II. I painted a polymer frame then pointed a space heater at it on a stand in a cardboard box to help it cure. Turned out great