I made this gun for competition. Nvidia and Dying Light were sponsors. File contains model + textures. Important: This model needs HDR image to be good-looking.
Hi-res preview: http://imgur.com/8nXFjiV
"One or more textures on this 3D model have been created with photographs from Textures.com. These photographs may not be redistributed by default; please visit www.textures.com for more information."