hi i just need some advise on so rust on my tx you can only see it when you put the lamp on it iv used tin foil and nothing coming of so im not sure if it is rust or not its brown i don't understand it i always clean my rifle with oil when iv used it and its in a dry place all times you cant see it if your not under the lamp please help me all so iv just brought some birchwood casey super blue liquid how do i use it and can i put it stright on scratch's hope you could help