The reason for rage is a 3 rak blob is effectively a schreck blob. Pop a shot, try for 2, then retreat at the first sight of pain. Its not necessary good, just incredibly aggravating.
Its not a great AT gun.
I'll have to try that. I've just been using two of them. They work a lot better if you use them behind upgraded JLI's or Panzerfusiliers. It's not really my favorite but it's better than most people are claiming.
Also, every time I see people whining about the Rak, I remember this game:
(I can't tell if others are seeing the link- but in this game, my MVP as USF was the Raketen while my meat shield was the 57.)