Here is the list of the leaked Perks available in Call of Duty: Modern Warfare 3.
It goes without saying that this list can and may change by the launch date of the game.
Tier 1
Extreme Conditioning — Sprint longer distances. Pro: Climb obstacles faster
Sleight Of Hand — Reload faster. Pro: Faster weapon swapping
Scavanger — Reload ammo from bags. Pro: Spawn with more ammo
Blind Eye — Undetectable from air support. Pro: Faster launcher lock-on and extra damage to aircraft
Recon — Explosive damage marks target on HUD. Pro: Bullet damage marks target on HUD
Tier 2
Hardline — One less kill for Killstreak. Pro: Two assists count as a point toward next Strike Package
Assassin — Immune to UAV, Motion Sensor, Thermal and Heartbeat Sensor. Pro: Immune to CUAV & EMP
Overkill — Two primary weapons. Pro: Second primary can have 2 attachments
Quckdraw — Faster aim down sights. Pro: Use equipment and throw grenades faster
Blastshield — Flack Jacket (Immune to most explosives). Pro: Immune to stuns and flashes
Tier 3
Sitrep — Enemy equipment is visible. Pro: Enemy footsteps are louder
Dead Silence — Your footsteps are silent. Pro: No fall damage
Stalker — Faster movement with ADS. Pro: Delay on enemy claymores
Marksman — ID target from range. Pro: Hold breath longer owith scoped weapons
Steady Aim — Increased hip fire accuracy. Pro: Faster ADS after sprinting
