This is a complete list of all weapons that are currently ingame
Assault-Rifles:
M4A1
AK-47
FN-Famas
Steyr-AUG
G36C
Tar-21
FN-Fal
Galil
STG-44
SG-553
Scar-H
ACR
XM-8
HK416
G36K
G3A3
L85
AK-12
M16A4
M16A1
Rifles:
Karabiner 98
M1-Garand
M1-Carbine
Gewehr 43
Remington-Modell-700
Winchester-1866(Lever-Action)
Arisaka
Mosin-Nagant
SVT-40
Snipers:
Karabiner 98 Scoped
Springfield M1903
AWP
G3SG1
Scar-20
SSG-08
Barrett Cal.50
M21-EBR
Dragunov
HK-PSG1
Arisaka Scoped
Mosin-Nagant Scoped
Submachine-Guns:
MP-40
MP5
MP7
MP9
Kriss Vector
FN-P90
PP-Bizon
Mac-10
UMP-45
M1-Thompson
AK-74u
Type-100
L22-Carbine
KAC-PDW
PPSH-41
Pistols:
Beretta M9
Desert Eagle
Colt M1911
Luger
USP.45
USP Silenced(CSGO)
Glock 19
Raging Bull Revolver
Smith & Wesson 40
Tec-9
Nambu
Tokarev TT-33
Shotguns:
Mossberg 930
Mossberg 500
SPAS-12
M1897 Trenchgun
Winchester 1200
Remington 870
Benelli M2
XM1014
AA-12
Double-Barreled Shotgun
Light-Machine-Guns:
Maschinengewehr-42
M249-Saw
Negev
Browning Cal.50
RPD
RPK
HK-21
L86
DP-28
Type-99
M60
Other "guns":
Browning-Bar(sort of a prototype AR)
Bentole(Powerful pistol)
Ray-Gun(CoD 5)
Morita-MK2(Huge Ammo AR)
TAC-Shotgun(Admin Shotgun with lots of damage)
FG-42
And lots of melee weapons like cliché Katana, Spades, Hammers, That Random NW Partizani Stuff, Police Batons and so on...
Find out yourself in the apocalypse what weapons suit you best!