My 2 favorite class setups;

Setup 1:

Weapons;
AN-94 (Silencer, Stock)
B23R (Fast mag)

Perks;
Lightweight (ALWAYS LIGHTWEIGHT & EXTREME CONDITIONING, i sprint alot ^-^
Cold Blooded
Extreme Conditioning (Read the () behind Lightweight)

Lethals + Tacticals;
Semtex/Grenade/C4
Smoke Grenades/Flashbangs/EMP Grenades

Class Setup 2:

Weapons;
Skorpion EVO (Fast mag, Surpressor)
B23R (Fast mag)

Perks;
Lightweight (ALWAYS LIGHTWEIGHT & EXTREME CONDITIONING, i sprint alot ^-^
Cold Blooded
Extreme Conditioning (Read the () behind Lightweight)

Lethals + Tacticals;
Semtex/Grenade/C4
Smoke Grenades/Flashbangs/EMP Grenades