The JAK Revenger Kit is an Aftermarket Part introduced in Season 3 for Call of Duty: Modern Warfare 3 and Warzone that changes the BP50 assault rifle into a high-capacity SMG. Here is how to get the JAK Revenger Kit in MW3 and Warzone.
How to Unlock JAK Revenger Kit in MW3 and Warzone
The JAK Revenger Kit can be unlocked by completing five Season 3 Week 4 challenges. Players have until the end of Season 3 to complete the five challenges, then the Aftermarket Part will move to the Armory with different requirements to unlock.