Wow, I didn't tought it would be such a pain to remove the internals!
Plus, the pin holding the full auto sear was bent, so when trying to straight it, it broke. Had to find something the same diameter (Read brand new AEG pin, the one top of the trigger) and then cut it down to the same lenght, and then make the groove so the spring holds in place...
At the final, I've got a nice black matte finish lower body
