mp7 black cat or veresk-------- and-------- m4 bumblebee or sidewinder
MP7 = Lots of ammo, low recoil, easy to spray headshots.
Veresk = 30 ammo, more recoil so you have to burst, good dps
M4 Bumblebee = To me I've heard it's more similar to M4 MK2 or in our AVA it's the M4 basically.
Sidewinder = Laser gun, almost no recoil, low damage