- Go to modern warfare 3 main menu.
- Click on the settings icon in the top right corner.
- Click on the Controller button.
- Click On Gameplay.
- From here locate the Manual Fire Behavior option and change it. 
 Options:
 -Press: Press once for each shot.
 -Hold: Press and hold to shoot.
How To Change Manual Fire Behavior Controller Modern Warfare 3 2023
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