EMP Grenade

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For the Killstreak with a similar effect, see EMP.

The EMP Grenade is a Special Grenade that appears in Call of Duty: Modern Warfare 3, Call of Duty: Black Ops II, Call of Duty Online, Call of Duty: Advanced Warfare, Call of Duty: Black Ops III. It is a hand-held, thrown grenade capable of emitting an electromagnetic pulse, disabling all electronics within its blast radius for a short period of time. It functions similar to the EMP killstreak. It will effect all electronics, up to and including drones, sentries, electronic sights, and the player's HUD.

Call of Duty: Modern Warfare 3

Call of Duty: Modern Warfare 3
Unlocked	Level 21

When thrown, it disables enemy equipment and electronics within the blast radius, also lightly stuns enemy targets. The severity of the effect depends on how close the enemy is to the explosion. It explodes about a second after throwing.

It will instantly disable enemy Recon Drones, Sentry Guns, Remote Sentries, SAM Turrets, I.M.S., Trophy Systems, and even depletes Assault Drones of their ammo. It may be used for painting a group of enemies when the player has the Recon perk equipped. It will take multiple EMP grenades to destroy AH-6 Overwatches. The throw time is faster than all other grenades in Modern Warfare 3, similar to the stun and concussion grenades featured in previous Call of Duty titles. 

Equipments and killstreak rewards destroyed with the EMP grenade count towards SitRep Pro and Blind Eye Pro respectively. Using Assassin Pro will cancel the effects of any thrown EMP Grenade.

Gallery

The EMP Grenade about to be thrown.

The EMP Grenade being tossed at a Remote Sentry

The EMP Grenade in Create-a-Class

Robert Bowling throwing a EMP grenade on the map Piazza.

Call of Duty: Black Ops II

Call of Duty: Black Ops II
Starting Ammunition	3 (SP)
Maximum Ammunition	3 (SP), 2 (MP)
Unlocked	Completing Pyrrhic Victory (SP) Level 11 (MP)

Campaign

The EMP Grenade is available in campaign as part of the customized loadout.

It is very useful when it comes to disabling enemy turrets and drones so the player can destroy them in relative safety in the effect's duration. It is also useful for disabling enemy cloaking. 

If the player is caught within its blast radius, his/her HUD will be scrambled for a short duration.

Multiplayer

"Disables enemy electronic systems."

— Create-A-Class Description.

The EMP Grenade returns in Call of Duty: Black Ops II, and is visually identical to its Call of Duty: Modern Warfare 3 counterpart. The EMP grenade will destroy all enemy equipment caught in its radius, along with the Sentry Gun, Guardian, Dragonfire, Hunter Killer Drone, and the Hellstorm Missile. The A.G.R. will require 2 EMP grenades to be destroyed.

Similar to the EMP scorestreak, any players affected by the EMP Grenade will be unable to call in scorestreaks. This will not, however, affect currently active scorestreaks unless they are also within the EMP Grenade's radius.

Unlike its Call of Duty: Modern Warfare 3 variant, EMP grenades in Call of Duty: Black Ops II are omnidirectional and unaffected by cover. This means that you can destroy equipment and affect scorestreaks through any cover as long as it is within the EMP grenade's radius. Combining this with the Engineer perk can be very useful, and you can disarm a room full of equipment without ever entering it.

The EMP Grenade will also blind people, making for an improvised flashbang/concussion grenade. In addition, players receive fifty points and an EMP assist should a teammate eliminate a hostile who was affected by the grenade, much like the EMP scorestreak. The EMP cannot effect the player's equipment and if the player hits himself/herself with it his/her HUD will only be offline for a moment (specifically, the time taken for the HUD to recover from scrambling).

An EMP Grenade

Zombies

The EMP grenade only makes an appearance in Green Run. If the player has the Monkey Bomb at the time and gets the EMP grenade, it will replace them. The EMP can affect Zombies and players alike: Zombies hit by the blast will stand still when hit (similarly to a Monkey Bomb) until a player runs near them, or if a short time gap passes by. Should a player be hit, their HUD is disabled, and any optical gunsights are nullified. If used while the Mystery Box or the Pack-a-Punch Machine are in use, they will abruptly stop giving/upgrading a weapon.

In Tranzit, it is required to finish the Tower of Babble Easter Egg, and it can instantly kill the Avogadro, making it very useful on that map. Max Ammo power-ups can make the Avogadro significantly easier to deal with. The EMP effect on humans also makes it useful on Grief in order to weaken the enemy, and potentially drain them of points spent on the Mystery Box or Pack-a-Punch Machine. Outside of those two game modes, however, the cons outweigh the pros, and many players will find the Monkey Bombs to be much more useful.

Achievement/Trophy

The Lights Of Their Eyes (5 / Bronze Trophy ) - In Green Run, pacify at least 10 zombies with 1 EMP.

Call of Duty Online

The EMP grenade makes a reappearance in Call of Duty Online.

Call of Duty: Advanced Warfare

EMP Grenade
Maximum Ammunition	2 (MP)

"Disable enemy equipment and exo movements. Can be manually detonated."

— In-game description.

The EMP Grenade returns in Call of Duty: Advanced Warfare. It can also be used within the Variable Grenade in both campaign and multiplayer. In campaign, it can be used to eliminate groups of enemy drones and ASTs. In multiplayer, it can disable an enemy's Exosuit for three seconds.

Achievements/Trophies

• Where Are You Going? (10 / Bronze Trophy ) - Stop an AST with an EMP grenade.
• Restricted Airspace (10 / Bronze Trophy ) - EMP 10 enemy aircraft out of the sky with the hovertank in "Bio Lab".
• Fly Swatter (15 / Bronze Trophy ) - Knock 25 Drones out of the sky with EMP grenades.

Call of Duty: Heroes

EMP Grenades appear as a Hero Skill for Yuri. It disables turrets for 9 seconds. It has a performing range of 7 tiles and an effect range of 3.5.

Trivia

• On the Nintendo Wii version of Call of Duty: Modern Warfare 3, one EMP grenade can destroy a Pave Low, AH-6, or an Osprey.
• The Flashbang, Concussion and Shock Charge effects can be canceled when the player is blinded by an EMP Grenade.
• Zombies stunned by the EMP Grenade will have no glow in their eyes.
• In Black Ops II, strangely, destroying a Sentry Gun or Guardian will not count towards the prestige challenge for destroying enemy equipment. This is also true for destroying other scorestreaks such as the Dragonfire or Hunter Killer.