Lion's wrath

dlz

Hi everyone! 
This is my first post here where i show a 3d model i made. it's based in the Bolter/Plasma Gun of Azrael (dark angels/warhammer 40k)
I challenge myself to made al shaders with nodes of Arnold render, so all the textures are procedural.

defragger

nice mesh ! Pretty high-poly? What is this used for?

The metal and paint chipping looks out of place. I would like a hand painted texture with dirt and grime better. Goes with the style of the mesh.

dlz

Well it's a piece of my portfolio, so for now its made only for the render xD. Maybe i do a turnarround. 
How can i improve the metal and paint chipping? maybe less "chipping"? i'll consider making the grime layer and doing a hand painted texture but its not my strength and since all the textures are procedural i should do uv mapping first