It needs a buff, but overall Machine Guns just need an ammo overhaul. Machine Guns were never meant to be damage weapons, but they treat them like they are. I honestly see them as overpowered primaries, them and Swords. You choose that one if you want a bit of extra juice behind your shots, at the cost of using up your heavy, and having to monitor ammo. It's one place where I will argue that the double special bug was a good thing, because it made machine guns and swords viable as a primary. If they could just make the double special system work only in swords and machine guns, those weapon types would be better overall. That one, though, needs a bit of extra umph being an exotic. The weaken part of it is pretty great to have, but the extra volatile on it just doesn't really feel like an upgrade. It just feels like a slightly better legendary machine gun.