MK. II Annihilator - Steampunk Disruptor

I made this gun a year ago and always wanted to post the breakdowns and few renders but didn't get enough time to work on it. This is the first steampunk gun I made using the game-art workflow, since then I have been enjoying working on steampunk art style and trying to improve my modeling and texturing skills. I found the reference online and tried my best to replicate, but it differs a bit from the original weapon.