I came back now with rigs that will be updated to stay with better and more detailed graphs starting with this!
'' Sentry Turret (CoD MW3) V.1.0
Link : http://www.mediafire.com/download/ljoo9wbg3thtq7h/Sentry+Turret+%28CoD+MW3%29+V.1.0.zip
Warning: This rig will update you can give tips for what you can I improve depending on the model end up doing what you said