Sci Plasma Gun

Hi guys here is my latest model (Sci Plasma Gun) Texturing work, here I tried to match the concept art as much as I can see in the concept,please share you suggestion. Software used for Modelling and Texturing - Maya , Z brush ,Mari and Rendering in Keyshot.I hope so guys you will like It.
Thankyou
Concept by Alexey Pyatov.