A Submachine gun was created by me for learning purposes.
Modeled in Blender, Textured in Substance Painter and Rendered in Blender Cycles.
This course helped a lot.
https://cgcookie.com/lesson/finishing-the-details
Concept art by Yanni Davros.
https://www.artstation.com/artwork/YEWJb
It looks like a sci-fi weapon, it's cool.
This is fantastic, awesome work!