For this build I rusted his face a bit more and painted other details which you cannot see..
BLACKOUT by Dragon_Killstrike, on Flickr
In case you wonder, The BA's used are:
-1 Chrome M84 stun Grenade (in the center of the black piece on his chest.)
-3 Combat knives (On the side of his left arm.)
-2 Monopods (On the cannon arm.)
-2 Photon pistols (On the neck for more detail.)