Good weapon?

hello .. what is the best weapon of these?

M416
[img]http://images.wiki*****m/combatarms/images/e/e7/Main_m416.jpg[/img]

galil ace
[img]http://images.wiki*****m/combatarms/images/f/f0/Main_galil_ace.jpg[/img]

UMP
[img]http://images.wiki*****m/combatarms/images/3/36/Main_ump.jpg[/img]

p90
[img]http://www.airspla*****m/images/combatarms/combatarms_p90_side2.jpg[/img]

pp-19
[img]http://images.wiki*****m/combatarms/images/f/f7/Main_pp_19.jpg[/img]

mp7