How to unlock the JAK Jawbreaker in Modern Warfare 3 and Warzone

Full-auto shotgun, anyone?

The JAK Jawbreaker MW3 stands out as a unique aftermarket part introduced inModern Warfare 3andWarzonein the massiveSeason 3 update.

Weapon inspect of KV Broadside with JAK Jawbreaker MW3 at Departures map

In this ONE Esports guide, we explain the function of this new attachment, and how to unlock it in the game.

What is the JAK Jawbreaker MW3?

The JAK Jawbreaker is a conversion kit for the KV Broadside, transforming the quick-firing shotgun from Modern Warfare 2 into an automatic battle rifle.

It grants the weapon a full-auto fire trigger, along with significantly increased bullet velocity, range, damage, and gun kick control, making it a formidable long-range firearm.

JAK Jawbreaker MW3 aftermarket part for KV Broadside in gunsmith

These benefits come at the cost of lowered hipfire and tac stance spread, as well as reduced mobility stats, including aim walking, movement, and sprint speed.

Here’s how to unlock the JAK Jawbreaker MW3

If you’re looking to equip this conversion kit, you have to complete challenges during week two of Season 3 in Modern Warfare 3 and Warzone.

Fortunately, you only need to finish at least five of the 21 total weekly challenges across Multiplayer, Warzone, and Zombies.

Credit: Amazon

Here is the full list of challenges in each mode to unlock the JAK Jawbreaker MW3 for the KV Broadside shotgun:

to quickly obtain the JAK Jawbreaker MW3, we recommend completing the challenges in Multiplayer by joining matches in Hardcore Quick Play or Small Map Mosh Pit.

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