Aftermarket parts are a new feature in Call of Duty: Modern Warfare 3 that can drastically change the makeup of a weapon entirely. The JAK Heretic Carbine Kit is a weapon attachment that can make a battle rifle more viable, and here is how to get it.
How to Unlock JAK Heretic Carbine Kit in MW3
The JAK Heretic Carbine Kit is an Aftermarket weapon attachment for the MTZ-762 battle rifle. The attachment changes the battle rifle into more of an assault rifle by increasing the rate of fire, recoil control, and better mobility while sacrificing some damage and bullet velocity.
