I've found that Textool's shifting of island is unreliable if you do any modifications to the meshes, like collapsing stack or resetting xforms etc. I suggest using a standalone script for this, it can be found on scriptspot.com As for smoothing groups script, it can break sometimes too. I think it doesn't work properly…
The stock is supposed to look like that. If anything I can just scale down the bumpiness. It is polymer. It has a texture like that. Its not carpet. Have you seen upclose what an ACR looks like? The lower reciever and stock are all polymer composite material. It has a bumpy look to it. I still need to work out my specular…
Did the rest of the skull. The jaw and teeth aren't great, but sufficient for this purpose. As long as I know they're there. I could probably detail the crazy looking underside of the skull a bit more, but it's not needed. I also practice masculinising the skull just for fun (on the right in the second image). I'll stick…