Go to the store and try out and hold the G&G's, G&P and Classic Army. The other two are crap. I'm pretty sure those aren't the top of G&G's lineup but they should be okay ish.
Of the guns you listed I would go for G&P or CA.
Guardians of Asgaard - KF32
VFC H&K 416C
VFC KAC SR16 JL Billet SBR
TM FN Five-seveN