MW3 Warzone JAK Requiem Aftermarket Part
Screenshot by Prima Games

How to Get JAK Requiem in MW3 and Warzone

A more stable weapon.

The JAK Requiem is a new Aftermarket Part introduced in Season 4 of Call of Duty: Modern Warfare 3 and Warzone that eliminates vertical recoil for the Kastov 762 assault rifle from Modern Warfare 2. Here is how to get the JAK Requiem in MW3 and Warzone.

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How to Unlock JAK Requiem in MW3 and Warzone

MW3 Warzone JAK Requiem Aftermarket Part
Screenshot by Prima Games

The JAK Requiem can be unlocked by completing five Season 4 Week 2 challenges. It will be available to unlock this way until Season 4 ends, then players will have to unlock it from the Armory once the season is over.

There are a total of 21 Week 2 challenges to be completed among MW3 multiplayer, Zombies, and Warzone modes. Only five in the specific week need to be done to unlock the JAK Requiem. Call of Duty: Warzone Mobile players will have to spend Arsenal Coins in the Arsenal Store to unlock the Aftermarket Part.

Here are all the Season 4 Week 2 challenges that can be completed:

MW3 Multiplayer

  • Get 40 Operator kills with a recommended sniper rifle
  • Get 20 Operator kills with sights equipped to a recommended SMG
  • Get 20 Operator longshot kills with a recommended assault rifle set to full-auto fire mode
  • Get 15 Operator kills after reloading with recommended battle rifles
  • Get 12 Operator kills with a silenced weapon while prone
  • Get 10 Operator clean kills while prone with a recommended marksman rifle or sniper rifle
  • Get 10 Operator hipfire kills with a recommended marksman rifle or sniper rifle

MW3 Zombies

  • Get 500 kills with a silenced recommended weapon
  • Get 200 kills with a recommended sniper rifle
  • Get 150 kills with a scoped recommended assault rifle
  • Get 100 kills after reloading with recommended battle rifles
  • Get 100 kills with sights equipped to a recommended SMG
  • Get 75 hipfire kills with a recommended marksman rifle or sniper rifle
  • Get 10 kills without being hit 200 times with a recommended DMR or sniper rifle

COD Warzone

  • In Warzone Urzikstan, open 30 loot caches in the North-West Region (Resort, Power, Seaport, Cargo)
  • In Warzone Urzikstan, open 30 loot caches in the Southern Region (City, Suburbs, Manor)
  • In Warzone Urzikstan, open 30 loot caches in the Eastern Region (Military Base or Farms)
  • In Warzone Urzikstan, open 30 loot caches in the Central Region (Old Town, Low Town)
  • In Warzone, place in the top 10 seven times
  • In Warzone, complete 20 contracts
  • In Warzone, get seven Operator kills or kill assists with a recommended weapon

For more on Season 4 for Modern Warfare 3 and Warzone, check out how to get the JAK Decimator to change the Lachmann Shroud burst-fire submachine gun into a full-auto weapon.


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Tom Meyer
Freelancer with bylines at various gaming outlets for a decade. Covers new releases, shooters, and the odd RPG. Started with Super Mario Bros. and Jack Nicklaus' Greatest 18 Holes of Major Championship Golf, and not planning to stop anytime soon.