hehe, LMG is my favorite weapon when playing inf.

Of course, when there are tanks and helos, LMG is useless. Even if one wants to play inf, probably AT or SF is better.
But when there is no vehicle, LMG almost rules --- the biggest threat, quite ironically, actually comes from enemy snipers, some of them are really good with the combo of their rifle, knife and that annoying deadly claymore.
Well, here there are so many good masters that can teach us newbies :) Like general ppk, commissar123 etc etc. .. :)