The Modern Warfare 3 and Warzone Season 4 week 4 has brought forward the JAK Thumper 656.

The JAK Thumper 656 conversion kit brings a new level of versatility to the RGL-80 launcher in MW3 and Warzone.

This nifty attachment lets you swap between different grenade types, making it a potential game-changer for tactical players. But before you rain down a barrage of destruction, you’ll need to unlock it first.

Unlocking the JAK Thumper 656 in Modern Warfare 3 and Warzone Season 4

MW3 JAK Thumper 656 loadout
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The JAK Thumper 656 is unlocked through a specific set of weekly challenges. Head over to the “Challenges” tab in MW3’s multiplayer menu, Warzone’s lobby, or Zombies mode. Navigate to Season 4, Week 4. You’ll see a list of challenges. Complete any five of them to unlock the JAK Thumper 656 attachment.

The best part about these challenges is the freedom they give you. You can tackle these challenges in any of the three modes: classic multiplayer, the battle royale mode of Warzone, or Zombies. Choose the mode that suits your playstyle and score in those challenges.

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Here is a list showcasing all the challenges Season 4, Week-4:

Multiplayer

  • Get 10 Kills against Operators who are blinded or stunned.
  • Get 10 Operator Kills with a Bomb Drone or Mosquito Drone
  • Place top of the leaderboard 3 times
  • Get 3 Operator Double Kills with Grenades or Launchers
  • Get 20 Operator Kills while using Explosive Ammo
  • Destroy 8 Aerial Killstreaks
  • Get 3 Operator Kills after deaths

Warzone

  • In Warzone Urzikstan, open 20 Loot Caches in the North-West region
  • In Warzone Urzikstan, open 20 Loot Caches in the Southern region
  • In Warzone Urzikstan, open 20 Loot Caches in the Eastern region
  • In Warzone Urzikstan, open 20 Loot Caches in the Central region
  • In Warzone, place in the top 10 five times
  • In Warzone, complete 15 contracts
  • In Warzone, get 10 Operator Kills or Kill Assists with a recommended weapon
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Zombies

  • Get 300 Kills with Frost Damage with a recommended weapon
  • Get 300 Explosive Kills with a recommended weapon
  • Get 2 Warlord Kills with a recommended weapon
  • Get 5 Kills with a Monkey Bomb 5 times
  • Get 300 Fire Damage Kills with a recommended weapon
  • Destroy 15 Counter UAVs in Mercenary Camps
  • Get 50 Kills with a recommended melee weapon while Frenzied Guard is active

With the JAK Thumper 656 in your grasp, you can now switch between frag grenades, sticky grenades, drill charges, and even 40mm slugs for more precise elimination.

That covers everything you need to know to get the JAK Thumper 656 in MW3 and Warzone.

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