This is what should be in MW3 for multiplayer.
FACTIONS[]
Delta Force
Spetsnaz
SAS
Navy SEAL's
Opfor
Pirates
Weapons[]
Assault rifles
M4A1, ACR 6.8, G36, FAMAS, Scar-L, G3, M16A4, STG.77 AUG, F2000, AK47, AN-94, FAL
SMG
MP5, MP5K, AK74u, UMP45, VECTOR, MP7A1, P90, Skorpion
LMG
RPD, M6OE4, M240, MG3, L86
Sniper rifles
M82, M21/M14 EBR, RSAS, M24, Dragunov, PSG1
Shotguns
AA12, SPAS-12, USAS 12, KSG, Model 1887, Stricker, M1014
PISTOLS
M9, P99, MP412, Dessert Eagle, FN Five Seven
Machine Pistols
G18, Magpul FMG, PP 2000, TMP
Launchers
RPG-7, AT4, Javelin, Stinger, XM25, M320
Others
Riot Shield, Minigun
ATTACHMENTS[]
Red Dot sight, Holographic, Grenade Launcher, ACOG, Shotgun, Silenced, Magnifier, Thermal, Extended Mags, Dual Mag, Heartbeat Sensor, X-Ray scope, Grip, Speed Reload (for MP412 only), Scope Zoom, Reflex (for launchers only), Akimbo, Rapid Fire, FMJ, Laser, Tactical Knife
PERKS[]
Bling, Sleight of hand, SitRep, Marathon, Ghost, Ninja, Assasin, Blind Eye, Point Guard, Recon, Scavenger, One man army, High power, Lightweight, Hardline, Cold blooded, Steady aim, danger close, Scrambler, Commando,
some perks ive made up: Posser, Overlord, Flash and War Hammer
KILLSTREAKS and POINTSTREAKS[]
KILL: UAV, Counter- UAV, Care Package, AC-130, Chopper Gunner, Harrier, EMP, Sentry Gun, Reaper Drone, Mortar, Naval Bomber, Airstrike, Helicopter, Pave low, stealth bomber, Emergency airdrop, chemical airstrike.
POINTS[]
Juggernaut, Minigun wield, Mortar, SAM turret, XM25 i dono what else