Modern Warfare Multiplayer Perks operate in the same way as previous games. You have three tiers of perks to select from. Most perk benefits you will recognise from previous games, some are new, some are simply renamed.
Tier 1 Perks
Double the duration of Tactical Sprint. Increase crouch movement speed by 30%
Take reduced damage from non-killstreak explosives and fire. Hack enemy Claymores, Proximity Mines, C4, and Trophy Systems.
Resupply ammo from dead players
Undectable by AI targeting system and thermal optics. Does not trigger High Alert warning.
Killstreak kills count toward your next killstreaks. Only applies to killstreaks earned this life.
Killing players, capturing objectives and holding objectives will increase your health regeneration rate.
Tier 2 Perks
Recharge equipment over 30 seconds. Throwing knives can recharge 1 extra knife. Adrenaline recharges twice as fast.
Your killstreaks cost 1 less kill. Reduces specialist perk cost by 1.
Carry two primary weapons. Cannot equip two of the same weapon. Secondaries cannot be equipped.
Your vision pulses when enemies outside of your view see you. Triggered by enemies controlling Chopper Gunners, Wheelsons, IAVs, and APCs
Undetectable by UAVs, Radar Drones, and Heartbeat Sensors. Immune to snapshot grenades.
Turn your killsteaks into Scorestreaks
Tier 3 Perks
Reduces the charge time of field upgrades by 33%.
Faster weapon swap and rocket launcher reload speed.
Spawn with an extra piece of lethal equipment. Explosive damage delays enemy health regeneration.
Reduce strength of enemy flash, stun and EMP effects.
See enemy equipment, field upgrades, and killstreaks through walls. Mark them for your team by aiming down sights.
Enemies leave behind a footprint trail. See markers at enemy death locations and hide the death markers of enemies you kill.