| Call of Duty 4: Modern Warfare 2 – Perks |
| Tier 1 Perks |
| Perk Name |
Unlock Lvl. |
Effect |
Skill Icon |
| Marathon |
1 |
Climb ladders and objects faster.
- Unlock Pro: Run 26 miles using marathon.
- Unlock Emblem: Run 104 miles using marathon
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| Sleight of Hand |
1 |
Faster ADS.
- Unlock Pro: Get 120 kills using Sleight of Hand.
- Unlock Emblem: Get 750 kills using Sleight of Hand.
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| Scavenger |
13 |
Extra mags when spawned.
- Unlock Pro: Resupply from 100 dead bodies.
- Unlock Emblem: Resupply from 500 dead bodies.
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| Bling |
21 |
Allows two attachments to secondary weapon.
- Unlock Pro: Get 250 kills using two weapon attachments.
- Unlock Emblem: Get 900 kills using two weapon attachments.
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| One Man Army |
45 |
Faster class switching (from 5 seconds to 3).
- Unlock Pro: Get 100 kills using One Man Army.
- Unlock Emblem: Get 750 kills using One Man Army.
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| Tier 2 Perks |
| Perk Name |
Unlock Lvl. |
Effect |
Skill Icon |
| Stopping Power |
1 |
Increased damage to vehicles and aircraft.
- Unlock Pro: Get 250 kills using Stopping Power.
- Unlock Emblem: Get 1000 kills using Stopping Power.
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| Lightweight |
1 |
Quicker aiming after sprinting.
- Unlock Pro: Sprint 30 miles using Lightweight.
- Unlock Emblem: Sprint 250 miles using Lightweight.
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| Hardline |
9 |
Deathstreaks require 1 less death.’
- Unlock Pro: Get 40 killstreaks while using Hardline.
- Unlock Emblem: Get 150 killstreaks while using Hardline.
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| Cold Blooded |
25 |
No red cross-hair or name when targeted.
- Unlock Pro: Destroy 40 killstreak rewards using Cold Blooded.
- Unlock Emblem: Destroy 250 killstreak rewards using Cold-Blooded.
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| Danger Close |
33 |
Increased damage from killstreak rewards.
- Unlock Pro: 100 kills using explosives while using Danger Close.
- Unlock Emblem: 300 kills using explosives while using Danger Close.
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| Tier 3 Perks |
| Perk Name |
Unlock Lvl. |
Effect |
Skill Icon |
| Commando |
1 |
No falling damage.
- Unlock Pro: 20 melee kills using Commando.
- Unlock Emblem: 100 melee kills using Commando.
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| Steady Aim |
1 |
Hold breath longer when scoped.
- Unlock Pro: 80 hip fire kills using Steady Aim.
- Unlock Emblem: 500 hip-fire kills using Steady Aim.
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| Scrambler |
17 |
Delays enemy claymore explosions.
- Unlock Pro: 50 close range kills using Scrambler.
- Unlock Emblem: 250 close range kills using Scrambler.
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| Ninja |
29 |
Silent footsteps.
- Unlock Pro: 50 close range kills using Ninja.
- Unlock Emblem: 250 close range kills using Ninja.
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| SitRep |
37 |
Enemy footsteps are louder.
- Unlock Pro: Destroy 120 enemy pieces of equipment using SitRep.
- Unlock Emblem: Destroy 750 enemy pieces of equipment using SitRep.
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| Last Stand |
41 |
Use your equipment in Last Stand.
- Unlock Pro: 20 kills while in Last Stand.
- Unlock Emblem: 100 kills while in Last Stand.
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