 | Marathon
| Tier 1
|
| Standard: Unlimited Sprint Pro: + Climb obstacles faster |
 | Sleight of Hand | Tier 1
|
| Standard: Faster reload Pro: + Aim down sights faster |
 | Scavenger | Tier 1
|
| Standard: Full resupply from dead bodies Pro: + Extra magazines
|
 | Bling | Tier 1
|
| Standard: Dual attachments on primary weapon Pro: + Dual attachments on secondary weapon |
 | One Man Army (replaces secondary) | Tier 1
|
Standard: Swap classes at any time
Pro: + Swap classes faster
|
 | Stopping Power
| Tier 2
|
| Standard: Increased bullet damage Pro: + Increased bullet damage to cars and Killstreak vehicles |
 | Lightweight | Tier 2
|
| Standard: Move faster Pro: + Quicker aim after sprinting |
 | Hardline | Tier 2
|
| Standard: Killstreaks rewards require 1 less kill Pro: + Deathstreaks require 1 less death |
 | Cold Blooded
| Tier 2
|
| Standard: Undetectable by UAV, air support, sentries, and thermal Pro: + No red crosshair or name when targeted
|
 | Danger Close
| Tier 2
|
| Standard: Increases explosive weapons damage Pro: + Extra air support damage |
 | Commando | Tier 3 |
| Standard: Increased melee distance Pro: + No falling damage
|
 | Steady Aim
| Tier 3 |
| Standard: Increased hip-fire accuracy Pro: + Hold your breath for longer when sniping
|
 | Scrambler | Tier 3 |
| Standard: Scrambles the radar of nearby enemies Pro: + Delay enemy Claymore explosions |
 | Ninja | Tier 3 |
| Standard: Invisible to heartbeat sensors Pro: + Move silently
|
 | SitRep | Tier 3 |
Standard: Reveals enemy explosives and Tactical Insertions
Pro: + Louder enemy footsteps |
 | Last Stand | Tier 3
|
Standard: Survive (on the ground) for 10 seconds after being killed. You can use a pistol
Pro: + Use grenades and equipment as well as your pistol
|
