The following guns can be seen in the upcomong video game:
Handguns
Beretta M9
MP412 REX
Colt M1911
Submachine Guns
IMI Uzi
M1928 Thompson
Assault Rifles
9A-91
Heckler & Koch XM8
Heckler & Koch XM8, 5.56mm
AEK-971
Steyr AUG A3
FN F2000 Tactical
FN F2000 Tactical, 5.56x45mm NATO
Sniper Rifles
SV-98
SV-98, 7.62x54R/7.62x51mm NATO
VSS Vintorez
M24
M24, 7.62x51mm NATO, .300 Winchester Magnum
Shotguns
Franchi SPAS-12
Franchi SPAS-12, 12 Gauge
NeoStead 2000
Neostead Shotgun, 12 Gauge
Machine Guns
M249 SAW Paratrooper
PKM
Heckler & Koch MG36
Heckler & Koch MG36, 5.56x45mm
Launchers
RPG-7
M136 AT4
M136 AT4 Anti-Tank rocket launcher - 84mm
Heavy Machine Guns
XM312
M134 Minigun