Ok so the list has some German language in there but the basic information is understandable.This is a full list of all guns and gamemodes aswell as some other info too.

Pistols
Kard
FNP45
Fiveseven
Judge
Beretta93r

Launcher
SMAW
FHJ18
USRPG

Crossbow
RiotShield
Ballistic Knife

SMGs
MP7
QCW05
Vector
PDW57
Evoskorpion

Assault Rifles
Insas
AN94
HK416
Saritch
XM8
Type95
Tar21
Sig556
Scar
SA58

MGs
HAMR
LSAT
QBB95
MK48

Sniper Rifles
DSR50
AS50
SVU
Ballista

Shotguns
SRM1216
KSG
Saiga12
870MCs

Lethal Granade
Frag Granade
Hatchet
Sticky
Satchel
Bouncing Betty
Claymore

Tactical Granade
Willy Pete
Stun Grenade
EMP Grenade
Sensor Grenade
Flashbang
Proximity Grenade
PDA_Hack
Tactical_Insertion
Trophy System




Pistolen
Reflex
Silencer
Extended Mags
Steady Aim
Extended Barrel
FMJ
Tactical Knife
Dual Wielding
dualclip

SMGs
Reflex
FastAds
Silencer
Extended Mags
Grip
SF (?)
Stalker
Steady Aim
FMJ
Dual Clip
RangeFinder
Extended Barrel
RF (?)
MMS


Assault Rifles - Aufsätze
Reflex
FastAds
Silencer
ACOG
Grip
SF
Stalker
SteadyAim
FMJ
Dual Clip
Rangefinder
Extended Mags
DualOptic
Grenade Launcher
Millimeter Scanner

LMGs - Aufsätze
Reflex
FastADS
Silencer
Extended Clip
Grip
ACOG
Stalker
SteadyAim
FMJ
Rangefinder
DualOptic
RF
IR

Sniper Rifles - Aufsätze
Silencer
SwayReducer
DualClip
ACOG
VZoom
Steady Aim
FMJ
Extended Clip
IR


Shotguns - Aufsätze
Reflex
FastADS
Silencer
Stalker
SteadyAim
DualClip
Extended Clip
Extended Barrel
Milimeter Scanner


Camos:

Headshot Camo
Dusty Unlocked by: HS
Ice: Unlocked by: HS
Red: Unlocked by: HS
Od: Unlocked by: HS
Desert Nevada: Unlocked by: HS
Desert Sahara: Unlocked by: HS
Jungle Erdl: Unlocked by HS
Jungle Tiger: Unlocked by HS


Shot Over a Long Distance Camo
Urban German


Kill Without Perk
Winter Siberia


Kill Without any attachment
Urban Warsaw


Doublekill Camo
Winter Yukon


Killstreak (5 Kills) Camo
Woodland


All Challenges - Camo
Gold


Perks/Extras:

Perks/Extras
Lightweight
Flack Jacket
Blind Eye
Hardline
Ghost
Hard Wired
Scavenger
Cold Blooded
Fast Hands
Toughness
Dexterity
Hacker
Ninja
Extreme Conditioning
Tactical Mask
Awareness
Ruthless
Backbone
Shades


Gamemodes:

BWars - BotWars
Conf - Kill Confirmed
CTF
Demolition
FFA
Domination
GunGame
Hack
HQ
HUN- Hunted
King of the Hill (Hardpoint)
Res - Resistance
Sabotage
Search and Destroy
Teamdefender
TeamDeathmatch
Pur - Purgatory


Partygames:

Party Games
Sharpshooter
RC Car Race
Tag - Freeze Tag
Sticks and Stones
OIN - One in the Chamber

Source:Portal - CallofDutySeries.de - Eure Community rund um Call of Duty, Black Ops und Modern Warfare