All weapons are based off their depictions in the Call of Duty: Modern Warfare Trilogy.
Assault:
M4A1, AK-47, FAMAS, SCAR-H, TAR-21, FAL, M16A4, ACR, F2000, G3, CM901, G36C, Type 95, MK14, FAD
Close Quarters:
MP5, UMP-45, Vector, PP90M1, P90, Mini-Uzi, MP7, AK-74u, W1200, SPAS-12, Striker, USAS-12, KSG 12, AA-12, Ranger, M1014
Support:
M249 SAW, L86 LSW, MG36, RPD, AUG HBAR
Marksman:
M40A3, Intervention, Barrett .50cal, Dragunov
Handguns:
USP .45, M9, P99, MP412, .44 Magnum, Five-Seven, Desert Eagle
PDW:
PP2000, G18, M93 Raffica, TMP, Skorpion
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