Polycount Contest - Turret

I had the chance to choose between a LD (Quake 3) or 3D contest (Polycount).
This polycount contest will take a bit of my time to start of and it will be a good challenge for me...
The turret is my main focus(To practice zbrush a bit more and baking)


Here is my thread:
http://www.polycount.com/forum/showthread.php?t=141568

My influence map: