Yeah this isn't my favorite sig, I'll probably make a new one with this render, just trying some new things out and getting back into photoshop. Yup, planetrenders.
Looks good, but like a wip too me. Like empty. Needs some effects imo. I could see a sweetass effect gong up the gun or something. Some sort of focal point.
The lighting is very..hmm...fake? It doesn't look realistic at all I guess. The depth is weird too. There should be two light sources, an orange-ish lighting on the left, and a bit of white on the right of Master Chief.