How to Get JAK Harbinger Kit in MW3 and Warzone

Call of Duty: Modern Warfare 3 and Warzone continue to add more Aftermarket Parts to its armory in Season 4 with the JAK Harbinger Kit that turns the M4 assault rifle into a .50 Cal sniper. Here is how to get the JAK Harbinger Kit in MW3 and Warzone.

How to Unlock JAK Harbinger Kit in MW3 and Warzone

The JAK Harbinger Kit can be unlocked by completing five Season 4 Week 1 challenges. The requirement will be in place until Season 4 ends, then players will have to unlock it from the Armory after the season is over.

There are a total of 21 Week 1 challenges to be completed among MW3 multiplayer, Zombies, and Warzone modes. Only five in the set need to be done to unlock the JAK Harbinger Kit. However, 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 1 challenges that can be completed:

MW3 Multiplayer

• Get 40 Operator kills shortly after sprinting with recommended assault rifles
• Get 25 Operator kills with a recommended weapon after having recently swapped weapons
• Get 20 Operator kills sliding or midair kills with recommended assault rifles
• Get 20 Operator kills with iron sights equipped to a recommended marksman rifle
• Get 15 kills against Operators who are blinded or stunned with recommended assault rifles
• Get two long range throwing knife or sticky Operator kills
• Finish 10 matches with three or more players in your party

MW3 Zombies

• Get 300 kills while aiming down sights with a recommended assault rifle
• Get 300 kills with a Pack-A-Punched Recommended Weapon
• Get 200 kills with frost damage with a recommended assault rifle
• Get 150 kills with a recommended weapon after having recently swapped weapons
• Get 100 hipfire kills with a recommended SMG
• Get 100 kills with a melee weapon
• Get three Disciple kills with a recommended weapon

COD Warzone

• In Warzone Urzikstan, get 15 Operator kills in the North-West Region (Resort, Power, Seaport, Cargo)
• In Warzone Urzikstan, get 15 Operator kills in the Southern Region (City, Suburbs, Manor)
• In Warzone Urzikstan, get 15 Operator kills in the Eastern Region (Military Base or Farms)
• In Warzone Urzikstan, get 15 Operator kills in the Central Region (Old Town, Low Town)
• In Warzone, place in the top 10 seven times
• In Warzone, complete 15 contracts
• In Warzone, open 75 Loot Caches

For more on Season 4 across Modern Warfare 3 and Warzone, please check out how to get the Kar98K for some old-school fun.