Here is the full list of weapons:

Assault Rifles
FAMAS – Bushmaster ACR – M16 – AK-47 – Steyr AUG A2 – Imbel MD3 – FN 2000 – G36C – M4 – MK. 14 EBR – G3 – TAR-21 – FN SCAR – FN FAL

Sniper Rifles
SVD Dragunov – Walther WA2000

Sub-Machine Guns
FN P90 – UMP .45 – TDI Kriss – H&K MP5

Shotguns
Franchi SPAS-12 – W1200 – Armsel Striker 12 Guage – Remington 870MCS – Winchester 1887 – AA-12

Light/Heavy Machine Guns
RPD – MK46 – AUG HBAR-T – MG4 – M240

Pistols
USP .45 – Glock 18/22 – M1911 .45 – Desert Eagle or Baby Eagle

Melee
Combat Knife – Ice Picks

Explosives/Grenades
C4 – Frag Grenade – Stun Grenade – Smoke Grenade – Semtex

Gun Attatchments
Red Dot Sight – Heartbeat Sensor – ACOG – Silencer – EOTech Sight – Thermal Scope – Master Key

Grenade Launchers
GP-25 Grenade Launcher – M203 Grenade Launcher – AT4 Rocket Launcher (Heat Seaking/Lock-On)

Armor
Riot Shield