Cram the T-shirt in there, pull the trigger, and fire away. How much room is there for improvement? Well, you could make it metal, self-loading and add a sweet compensator just for awesomeness.

If you're a rock or metal fan, the chances that you own at least one band T-shirt are pretty high. A new study by RushOrderTees has determined the most popular band worn on T-shirts. RushOrderTees ...