Perks

Quick Fix

Tier S

Perk 1 · Unlocks Lv 4

Faster health recovery, rewarding you for chaining fights.

Ghost

Tier S

Perk 1 · Unlocks Lv 24

Keeps you hidden from enemy UAVs and radar while you move.

Overkill

Tier B

Perk 1 · Unlocks Lv 4

Carry a second primary weapon in place of a secondary.

High Alert

Tier B

Perk 1 · Unlocks Lv 8

Warns you when an enemy outside your view has eyes on you.

Resupply

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Perk 1 · Unlocks Lv 31

Recharges your equipment over time — the first recharge is faster since launch.

Kill Chain

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Perk 1 · Unlocks Lv 48

Kills from killstreaks count towards your next streak.

Blood Rush

Tier S

Perk 2 · Unlocks Lv 4

Grants Tactical Sprint — at launch it's the only way to get it, and it triggers automatically when you sprint (toggle in Movement settings).

Fast Hands

Tier A

Perk 2 · Unlocks Lv 20

Faster weapon swaps, reloads and equipment use.

Ninja

Tier A

Perk 2 · Unlocks Lv 30

Quieter footsteps so enemies hear you later.

Bomb Squad

Tier B

Perk 2 · Unlocks Lv 16

Reduces damage you take from explosives.

Hardline

Tier C

Perk 2 · Unlocks Lv 4

Killstreaks cost one fewer kill.

Birdseye

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Perk 2 · Unlocks Lv 40

Improves your UAV information.

Battle Hardened

Tier S

Perk 3 · Unlocks Lv 12

Strongly resists Flash, Concussion and Screamer Mine effects.

Scavenger

Tier A

Perk 3 · Unlocks Lv 28

Pick up ammo from eliminated enemies.

Lethal Reach

Tier B

Perk 3 · Unlocks Lv 4

New for MW4 — full in-game details coming soon.

Cold-Blooded

Tier B

Perk 3 · Unlocks Lv 36

Hides you from AI-controlled killstreaks and thermal optics.

Combat Grid

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Perk 3 · Unlocks Lv 4

New for MW4 — full in-game details coming soon.

Tracker

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Perk 3 · Unlocks Lv 32

Reveals enemy footprints.