Machine Men Concepts 1

Concept art request by ~spartanM3RC , first attempt.
Based on the description here: [link]

I did it not because i'm an awesome person but I wanted to try my skills on sci- fi stuff. Wasn't any easy to do.

Self critiques here:

I think I failed in the fact that I was thinking too much in the practical features in stead of making a rough aesthetic work to begin with.
The machine men don't have organic parts whatsoever, the head and neck have tubes for refrigeration that look like veins, along with the'spinal' protection make it look like an alien more than a robot. -_-

The part that I most like is invisible to you! That weirdo gun has a double trigger
--
Anyway, hope it's okay.

Thank for watching guys!