Give me some rep and thank the topic please.
Assault rifles
M16
Enfield
M14
Famas
Galil
AUG
FN FAL
AK-47
Commando
G11

Sniper rifles
L96AW
Dragunov
WA2000
M40

Submachine guns
MP5k
Skorpion
MAC-10
AK74u
Uzi
PM63
MPL
Spectre

Light Machine Guns
HK21
RPK
M60

Mini-Gun (obtained from Care Packages)
Shotguns
SPAS
KS-23
Beretta
Ithaca
HK-10
Bows
Crossbow
Pistols
M1911
.357 Magnum
Python
Makerov
ASP
CZ75

Launchers
M202A1 Grim Reaper Rocket Launcher
RPG-7
China Lake Pump Action Grenade Launcher
Strela
M72

Assault Rifle Attachments
Extended Mags (500CP)
Dual Mag (500CP)
ACOG (750CP)
Red Dot Sight (750CP)
Reflex (750CP)
Masterkey (750 CP)
Flamethrower
Infrared Scope (1000CP)
Grenade Launcher (1000CP)
Suppressor
Pistol Attachments
ACOG (750CP)
Snub Nose (750CP)
Speed Reloader (750CP)
Dual Wield
Upgraded Iron Sights
Lethal Grenades
M67 Frag Grenage
Semtex/Sticky Grenade
Tomahawk
Tactical Grenades
Nova Gas
Willy Pete (Smoke Grenade)
Flash Bang
Concussion
Decoy
Alternate Ammo
Incendiary Dragons Breath Shotgun Rounds
Explosive Tipped Crossbow Bolts
Equipment
Camera Spike (2000CP)
C4 (2000CP)
Tactical Insertion (2500CP)
Jammer (2500CP)
Motion Sensor (3000CP)
Claymore (3000CP)
Other
Knife
Ballistic Knife
Custom Reticles
Dot
Semicircle
Line with dot
Circle
Smiley
Arrows Horizontal
Arrows Vertical
Arrows with dot
Boxes
Burst
Circle within a circle
Circle with dot
Circle with Crosshairs
Circle with inner line
Circle with outer line
Circle with arrows
Circle with triangles
Outer crosshairs
Small crosshairs
Large crosshairs
Diamond
Diamond outline
Heart
Radiation
Skull
Square
Square outline
Star
3 dots
Treyarch
Triangle
Outer triangles
x
X with dot
yin yang

Camos
Sahara
ERDL
Tiger
Berlin
Warsaw
Siberia
Yukon
Woodland
Dusty
Ice
Red
Olive
Flora

Tier 1:
Lightweight Pro = Faster Aim After Sprinting
Scavenger Pro = Extra Magazines
Ghost Pro = No Red name, Crosshair
Hardline Pro = Change your Care Pack reward
Flak Jacket Pro = Reduced Fire Based Damage

Tier 2:
Hardened Pro = Your guess is as good as mine...
Scout Pro = Less Scope Idle Sway
Steam Aim Pro = Less Recoil
SoH Pro = Faster ADS ( doesn't work on snipers )
Warlord Pro ( Bling Pro ) = Two Attachments For You Secondary Weapon

Tier 3:
Marathon Pro = No falling damage
Ninja Pro = Move through Motion Sensors / Camera Spikes without being noticed.
Second Chance Pro ( Last Stand Pro ) = Use equipment as well as guns
Hacker Pro = Turn Enemy Equipment Into Friendly Equipment
Tactical Mask Pro = Reduced effect of Nova Gas, other special grenades.