The JAK Cutthroat is an Aftermarket Part added in Season 3 for Call of Duty: Modern Warfare 3 and Warzone that can fit the AMR9 submachine gun, M4, MCW, and MTZ assault rifles. Here is how to get the JAK Cutthroat in MW3 and Warzone.
How to Unlock JAK Cutthroat in MW3 and Warzone
The JAK Cutthroat can be unlocked by completing five Season 3 Week 2 challenges. Players can complete the five week 2 challenges before the end of Season 3, then the Aftermarket Part will move to the Armory with different requirements to unlock.