Low Poly Colt 1911

Trying to get some professional looking portfolio pieces together so I can start looking for work. Looking for feedback in all areas, but specifically the materials and lighting, as those are the areas I’m least experienced in.

Software used:
Blender (Modeling)
Substance Painter (Baking/Materials)
Marmoset (Rendering)
Photoshop (Various)

All feedback appreciated!

Thanks for taking the time to look at my work!