Well, if one has paid the SOT to be a manufacturer, not a problem. It'd just be basically a post-whatever dealer sample.
Imho, the army needs to look at the subcaliber stuff, in terms of creating microminiguns...
Why?
A minigun can go through an ammo can in a second. And everyone knows how heavy those cans are. Yeah, we know that .22s and .17s aren't as all-fired powerful as the centerfire rounds, but I wouldn't want to be hit with one at 2-300 yards. But with the cyclic rate of the minigun, I don't think that "one" would be the case. IMHO, it'd be somewhat akin to an aimable and reusable claymore.
Imagine being able to kick a pallet out of a helicopter with an instant perimeter defense kit... You'd have the capability turn an area of your perimeter into a definite free-fire zone. Just set the sucker up to traverse a portion of the area with some vertical dispersion added in, and it's instant "keep their heads down." That's when you hope your 2nd Lt actually paid attention in map reading class so that you can call in some napalm...
Or likewise, load a chopper up with, instead of a few thousand rounds, a hundred thousand, and then the time they can loiter on site is determined by fuel instead of ammo capacity.