Gatling Shotgun textured

Finally finished texturing the weapon!!

It might be a bit over-textured
too weathered
too scratched
too stained...

map used:
diffuse map
specular map
bump map(I haven't learned how to make a normal map)
raytrace map
and a useless glossiness map
all of them 4096 X 4096 pixels

gun: 2368 tris
1 shell + 1 chain link: 78 tris

made and rendered in 3ds Max 2011
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I havn't unwrap the UV of the cap inside the shell
so the greyish texture inside is actually the diffuse map of the entire gun!! XD
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Since it fires shotgun shells, it is short barrel. And because it is short barrel, it looks way too cute and cartoonish for a minigun, hence making everybody thinks that it looks like TF2.... =_=
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Damn it. After searching on DeviantArt for "gatling shotgun", it turns out that my idea was not original, someone has already made a 3D model of it....