I think Bungie should add a firing range to the tower. It will help players get used to weapons. They could add an Unlimited Ammo thing in the range (I'm not a game coder so I have no idea if that's possible). All in all I think a firing range is a good way to test weapon upgrade. For example, I unlocked the snapshot upgrade for my rocket launcher but I don't know how much of a difference it makes to aiming. With that firing range, people like me could understand that better.