QUOTE (KarmaInferno @ Apr 17 2012, 12:09 AM)

Honestly, Metal Storm works much better as a grenade or mortar launch system, rather than anything for standard firearm ammunition.
Especially if space is at a premium on whatever you're mounting the weapon into. Standard multi-shot mortars and grenade launchers require pretty bulky ammo storage and feed mechanisms. A Metal Storm grenade launcher is... a tube. With some electrical connections.
-k
Now I would speak out against a grenade system. If you need an automatic grenade launcher, you need something that can reload. There really isn't a lot of wiggle room on this, mostly because of the range of grenade launchers and what sort of immediate threats something like a Mk 19 implies. I can't think of many realisitic situations where I need exactly 12 grenades
right now, and then no more after that (or more if we're talking a crapton of barrels).
However your assessment of a Mortar system is probably spot on. Getting 3-4 Mortar Rounds "time on target" from only one tube sounds like a fairly plausible use of this technology. The problem being that a standard mortar team can do this by manually loading quickly. That is of course assuming a relatively modern mortar team setup without thinking about
THE FUTURE (UTURE... UTURE... uture...)
Since a Mortars have significantly longer range than a Grenade Launcher, they can be used defensively or in offensive situations which don't imply an immediate "ohshitohshitohshit" situation. A troop could load the 3-4 mortars into the tube, and just let it chill out. Once a forward observer makes a call for fire, the automated tube recieves the data from the Fire Direction Control, a mechanism moves the mortar to match the correct firing arc -- boom boom boom boom -- you have rounds in the air. Mortar goes to standby, one guy reloads the rounds, then goes back to twiddling his thumbs as the mortar awaits further firing orders.
That covers base defense. It is a bit more complicated to get the same rig on the back of a small vehicle as the mortar needs to know precisely where it is at and what sort of leveling situation it has before it can make accurate fire. As GPS evolves it would be pretty easy to see Mortar teams transitioned away from a typical Infantry setting and moved towards a sort of "indirect fire quick reaction force." Small teams of vehicles could move to a supporting position far enough to be out of harms way but close enough to provide fire when needed, and do so moving from base to their location relatively quickly (which matches the current US operational strategy). Figure a Driver, a Gunner (small automatic weapon on the vehicle for covering fire or defense), and an NCO who loads the Mortar, monitors communications, and shuts it down if there are any faults.
Metal Storm? No. I think that idea is a failure.
Mortar Storm? Might have a serious future if they can work the kinks out.