Well I don't know what everybody else is using but I use 303 Aerospace Protectant. I think you can get it on Amazon but I got mine at a shop that carries kayaks and rubber rafts. They use it on the exteriors to keep down the UV rays from deteriorateing the boats. I think it is pretty close to Armorall. The 303 keep makes your gun nice and black, doesn't attract grit, removes dirt/dust, fingerprints and oil/grease. I should add the 303 isn't near as glossy as Armorall when it dries.
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