For the Body give it a metalness of .2 and then for the side pieces give it a value of .3 and then put diffuse roughness at .928 for all of them. All of the textures are in 4k. Modeled in Maya and then Textured in Substance Painter. Rendered in Arnold. It is fully UV unwrapped. Basic Futuristic looking gun. Comes with an FBX and OBJ file.