The JAK Signal Burst Conversion Kit is an aftermarket part added in Season 1, and available for the Holger 556 in Modern Warfare 3.

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While the Holger 556 was already very effective, the MW3 JAK Signal Burst Conversion Kit makes it much more powerful in close-quarters combat with its four-burst shot and exceptional recoil control. What’s not to like?

As such, the kit is a must-have if one intends to dominate the game. In this guide, you’ll learn how to unlock this powerful attachment and use it for yourself.

All the details for getting the MW3 JAK Signal Burst Conversion Kit

How to unlock MW3 Jak Signal Burst Conversion Kit
Screenshot by Samam Hasan / ONE Esports

To get the JAK Signal Burst Conversion Kit, you’ll have to complete any five challenges in Season 1 Week 5 of the game.

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These need to be done throughout Season 1, so you won’t need to do them all within the week.

After you’ve done the challenges, the JAK Signal Burst Conversion Kit will be available for you to equip with the Holger 556.

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Here are all the challenges you can complete in Season 1 Week 5 of Modern Warfare 3 in Multiplayer, Warzone, and Zombies to obtain the JAK Signal Burst Conversion Kit:

MULTIPLAYERZOMBIESWARZONE
Get 30 Operator Kills while Aiming Down Sights with a Recommended WeaponGet 750 Kills while Aiming Down Sights with a Recommended WeaponIn Warzone Urzikstan, get 10 Operator Kills in the North-West Region (Resort, Power, Seaport, Cargo)
Get 30 Operator Kills with the Holger 556Get 250 Kills with the Holger 556In Warzone Urzikstan, get 10 Operator Kills in the Southern Region (City, Suburbs, Manor)
Get 30 Operator Kills with a Recommended Battle RifleGet 250 Critical Kills with the Holger 556In Warzone, place in the top 10 5 times
Get 30 Operator Headshot Kills with the Holger 556Get three Mimic Kills with a Recommended Battle RifleIn Warzone, open 50 Loot Caches
Get 10 Operator Longshot Kills with the Holger 556Get 300 Kills with a Recommended Battle RifleIn Warzone Urzikstan, get 10 Operator Kills in the Central Region (Old Town, Low Town)
Get 5 Operator Fury Kills with a Recommended Battle RifleGet 250 Scoped Kills with a Recommended Assault RifleIn Warzone Urzikstan, get 10 Operator Kills in the Eastern Region (Military Base or Farms)
Get 30 Operator Kills with Sights Equipped to a Recommended Assault RifleGet 250 Kills with a Pack-A-Punched Holger 556In Warzone, complete 15 Contract(s)

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