It would if you fired the whole lot simultaneously, but you don't. The whole idea is multiple shots per barrel. If you want simultaneous discharge of multiple projectiles, you use multiple barrels. Imagine, if you will, a cube of, say, 64 barrels in ranks of 8. rank one fires, then rank 2 etc. Once all have fired their first shot the whole process is repeated starting with rank one until either the ammo is exhausted or the operator takes his finger off the switch.

As the whole arrangement is computer controlled you can fire it in any repeating pattern you desire, making pretty patterns in the air with the projectiles (yes, it *is* a silly idea).

The whole idea is pretty much a rehash of the circa 17th century "organ gun" concept. This had an array of barrels on the three sides of a prism-shaped carriage, the idea being that you fired set A, rotated the prism, fired set B and so on. The drawback was (as with Metal Storm) that reloading was a very, very tedious exercise. With the organ gun you have to reload 36+ muzzle-loading muskets, with Metal Storm you get to shove x projectiles down y barrels. Where Metal Storm has a slight advantage here is that each side of the prism (if you will) may be fired multiple times.