How to Tune Weapon Attachments in Modern Warfare 2

This guide will tell you how to Tune Weapon Attachments in Modern Warfare 2.

First, you have to reach the last level of your weapon and then the weapon attachment tuner will unlock. You need to reach level 20 of your weapon to unlock it, then go to your gun and navigate to the gunsmith.

Now right above the attachments, you will find the tuning option, you have to select it and then select the part you want to tune. It will take you to the tune page and from here you can actually tune the damage also if you have chosen a bullet you can increase the bullet velocity. For this, you have to use the left thumbstick and then move it in the up direction to increase the damage. After that, move the left thumb stick in the right direction to increase the bullet velocity.

You can tune every attachment with this tuner option. You just have to select that attachment, then click on Tune and it will open the tune page for that weapon.