Check out Ben Tippmann paintball guns for one of the most customizable paintball guns on the market.  Accuracy, power and speed are the main components of these awesome paintball markers.  The BT-4 Combat paintball gun is the base for Assault, Banshee, Ironhorse and SWAT upgrades.  Buy a basic BT-4 and different upgrade kits to dress up your marker for whatever challenges you want to take on!  Or start with a paintball gun package and immediately rule the field and control your opponents!