Almost every trigger happy dumbass I've seen has either been underage, or broke their gun with a lipo before they could piss me off.
One time my gun was down and I was approaching the firefight with a rubber knife out, my underage teammate freaks out, turns around and gives me a good full auto to the face.
I'm not saying all underage kids are bad, I'm saying there is a much higher proportion of dumbasses that are underage.
Guardians of Asgaard - KF32
VFC H&K 416C
VFC KAC SR16 JL Billet SBR
TM FN Five-seveN