Call of Duty: Warzone is a battle royale game. The player will need to battle against 150 other players sitting in different parts of the world; the one who survives all the assault and stands out last will win the game. You can use the in-game currency to buy different gears and weapons. And you can also pick up your opponent’s weapons after killing them.
CR-56 AMAX and AK-47 are the best assault rifles in the S tier; these are the best rifles in the entire game. The most prominent assault rifles in tier A are Oden and Krig 6. These weapons are almost as good as S tiers. The most powerful assault rifles in tier B are FAL and FFAR 1. These weapons are certainly not bad and can be reliable.
AN-94 and FN-Scar 17 are the most prominent assault rifles in the C tier; it is better to have them as a last resort. FR 5.56 and QBZ-83 are assault rifles in the D tier; it is better to leave these weapons in the game.
S Tier

CR-56 AMAX |
AK-47 |
RAM-7 |
Groza |
XM4 |
A Tier

Oden |
Krig 6 |
M4A1 |
C58 |
B Tier

FAL |
FFAR 1 |
M13 |
Kilo 141 |
C Tier

AN-94 |
FN-Scar 17 |
Grau 5.56 |
AS VAL |
D Tier

FR 5.56 |
QBZ-83 |
FARA 83 |