PP90M1

The  is a submachine gun that appears in Call of Duty: Modern Warfare 3..

Campaign
The weapon first appears in the level Hunter Killer, where it can be found with or without a Red Dot Sight. It can also be found with a silencer. Its also found in the mission Turbulence, carried by Makarov's men. It is also seen wielded by Russian forces in "Mind The Gap" and African Forces in "Back on the Grid." It can also be found on Turbulence with no attachments, a Red Dot Sight, Holographic Sight, or an ACOG.

Survival
The PP90M1 appears in survival mode, where is unlocked at level 38. It is also used as a primary weapon by the Chemical Agents.

Multiplayer
The PP90M1 is available from start in the Grenadier default class and unlocked at Level 28. It doesn't have high recoil, but it does have a somewhat obstructive muzzle flash.

The PP90M1 is a very versatile submachine gun, ideal for short to medium range combat. There are a variety of useful attachments for the PP90M1. A Silencer is a good choice since it eliminates muzzle flash, making it easier to stay on target. This is especially true at medium range, where damage drop off is not as much of an issue because of its very high fire rate and low recoil. A Red Dot Sight is another good choice since it is gives a clearer view on target and the muzzle flash is not as obstructive. Extended Magazines or Rapid Fire make good attachments for this weapon, especially when coupled together. The increased magazine size can also compensate for the high rate of fire. This combo allows enemies to be quickly dispatched at close range, without fear of depleting the magazine.

Scavenger or Sleight of Hand make for good perks to help increase ammo or decrease reload times for this weapon, as it has a moderately long reload time. Steady Aim is very useful as the high fire rate makes it very easy to dispatch multiple enemies at close range without having to aim down the sights, saving time and potentially preventing the player's death.

Range is a useful Proficiency for the PP90M1 as it removes one of the weapon's main weaknesses and allows the user to be more flexible with the gun on larger maps, such as Bakaara.

Attachments

 * Red Dot Sight- Unlocked at weapon level 2.
 * Silencer- Unlocked at weapon level 5.
 * Rapid Fire- Unlocked at weapon level 11.
 * ACOG Scope- Unlocked at weapon level 16.
 * Holographic Sight- Unlocked at weapon level 19.
 * HAMR Scope- Unlocked at weapon level 22.
 * Extended Mags- Unlocked at weapon level 24.
 * Thermal Scope- Unlocked at weapon level 26.

Proficiencies

 * Kick- Unlocked at weapon level 4.
 * Range- Unlocked at weapon level 9.
 * Attachments- Unlocked at weapon level 12.
 * Focus- Unlocked at weapon level 15.
 * Melee- Unlocked at weapon level 21.
 * Stability- unlocked at weapon level 28.

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Trivia

 * The PP90M1's serial number is XC220319.
 * The PP90M1's third-person firing sound is the same as the PP2000's in Call of Duty: Modern Warfare 2.
 * In Create-a-Class, the PP90M1 has a rail, but in game it's only present if an optic is attached.
 * The PP90M1's appearance has given it many names along the lines of "Water Blaster" or "Super Soaker" due to its strange magazine.
 * In Turbulence, one can find a PP90M1 with all attachments equipped. It is also the same with some AK-74u's, and they cannot be picked up.
 * The PP90M1 is the only gun in the Call of Duty series to feature a helical magazine.