This mod changes textures for various weapons.
-Railgun: Lava Camo.
-Carbine Rifle: Full Black.
-Assault Rifle: Snake Skin Camo.
-Special Carbine: Green Camo.
-Heavy pistol and heavy sniper: Black Camo.

Installation:
With Open IV go to :
update\x64\dlcpacks\patchday3ng\dlc.rpf\x64\models\cdimages\weapons.rpf\ replace with the ones on the .rar file.

Backups included.