MW3 Weapon Tuning Unlock And Use - Modern Warfare 3

How to unlock and use Weapon Tuning in Modern Warfare 3

Note: After being disabled in the days following launch, weapon tuning was re-enabled on Friday, 4th November:

The attachment tuning feature has just been reenabled. More details about this update in tomorrow’s blog post 🫡

— Infinity Ward (@InfinityWard) November 4, 2022

To unlock Weapon Tuning for a specific weapon, you must reach the maximum level of that weapon.

This feature – new to Modern Warfare 3 – allows you to tweak the individual statistics of tunable attachments available for each gun.

For example, if you’re using the M4 and equip it with the underbarrel Edge-47 Grip, you’re able to edit positive and negative stats to tweak it to your liking – you can adjust the weight and length of the grip to affect its various statistics.

To access this, head over to the Gunsmith menu, equip an attachment and, if it can be customised, a ‘Tune’ button will appear – select this to customise the attachment’s attributes.

MW3 Weapon Tuning Unlock And Use

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You’ll reach a screen with a radar graph, a couple of sliders and various information about the equipped weapon.

As you move each slider, increasing or decreasing a stat, it’ll boost one whilst lowering the other – this is visible on the radar graph.

By increasing the grip’s weight, it’ll boost recoil stabilisation, but lower Aim Down Sights (ADS) speed – and vice versa if decreasing the weight.

If you increase the grip’s length, it’ll improve the weapon’s aiming idle stability whilst lowering your aim walking speed – and it’ll do the opposite if decreasing the length.

This is a more in-depth feature to delve into once you start to hone in on your desired build and playstyle with the gun in question.

As mentioned, this feature unlocks when you level up a gun to its maximum possible level, but the specific level varies based on the number of levels per weapon – the max level of a weapon can be seen on the weapon selection screen, or its associated Platform tree.