You may find the aim assist to feel off when playing Call of Duty: Modern Warfare III with a controller. To see how you can change this setting for the latest CoD installment, you can check out this guide from Seeking Tech.
1. If you haven’t done so already, make your way to the Settings menu in the game.
2. From there, press the L2 button on PlayStation or LT button on Xbox to bring up the menu on the left side. You then need to select Controller.
3. In the Controller section, press the L1 or LB button in order to switch over to the Aiming tab.
4. You should then scroll down until you get to the Aim Assist section.
5. Next, you should make sure that Target Aim Assist is set to On.
6. Afterwards, you need to select Aim Assist Type.
7. You will be able to change the aiming type to any of the following options:
Default: Traditional aim slowdown near target used in Modern Warfare games.
Precision: Strong aim slowdown that only kicks in when aiming closer to target. Best for accurate players.
Focusing: Strong aim slowdown that also kicks in when narrowly missing target. Best for players new to analog aiming.
Black Ops: Traditional aim slowdown near target used in Black Ops games.
We suggest that you test out all four options to see which type is best suited for your playstyle.