For what you're making it for, it really isn't bad, but it really isn't impressive or requiring much skill. If it were a normal sig it would be different, but considering this seems to be some type of promotional thing I think? it works fine I guess.
The stocks you threw in don't really seem to fit on that texture, it kind of throws off the whole feeling of the poster, but other than that it's good, just a little boring.
Meh my gun sucks. Smart Parts Ion with the following: Freak barrels virtue board evo 2 hopper (LOL) upgraded regulator drop forward some random redz trigger and the rest is stock I like speedball, but since everybody has $1000+ guns where I go, I normally just eat the woodsball noobs.