Well I wanted to check my gun In Toolbag and some parts that where duplicated turned inside out like the normals where reversed but they aren't. a friend later said maybe unlocking the normals might work .. did neither I have no idea what else I could do. I also tryed reversing but that turns the mesh in maya black and in…
Your normals are reversed. If you have an inverse scale on those parts, freeze transforms first, then check the lighting before deciding if you need to reverse the normals from there or not.