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How to Upgrade Weapons In Call Of Duty Modern Warfare

Weapon Customization tips

Upgrading weapons in Call Of Duty Modern Warfare is important, it will allow you to use a ton of various attachments to improve the weapons attributes. Without good weapon you won’t survive for long, and practically speaking the Gunsmith menu where you can upgrade or modify Weapons in Modern Warfare is simple to understand. All you need is to scavenge right amount of weapon parts that you can collect during the gameplay and return back to the Gunsmith menu to enhance your weapons. In this Modern Warfare Gunsmith guide you can learn how to upgrade your weapons and why it is important.

Modern Warfare Weapon Upgrades Tips and Tricks


From the Lobby go to Weapons and select on of your Custom Loadouts. Select a Primary Weapon, and you will see a small Gunsmith icon next to the primary weapon slot. Select it to enter Gunsmith Menu to start weapon customization. You can create your own custom firearms from this menu of Modern Warfare, upgrading weapons is extremely simple.

In Call of Duty Modern Warfare you can add upto five different attachments to upgrade your weapons. After accessing the Gunsmith menu lets an Example you are upgrading FN Scar 17. The weapon has 9 slots that can be upgrades, but you can use only 5 of them. You can Swap attachment in place of others directly if you want to replace. FN Scar 17 is an good rifle high accuracy and damage. It is an all rounder rifle. You can upgrade the following parts of a rifle in Modern Warfare.

  1. Muzzle
  2. Barrel
  3. Laser
  4. Optic
  5. Stock
  6. Under-barrel
  7. Ammunition
  8. Rear Grip
  9. Perk


With over nine different elements to upgrade you can choose five of them to create the best combination of a strong weapon. Remember every attachment also comes with Cons. If there are three pros then there will be three cons also.

COD Modern Warfare Weapons Upgrade

Upgrading Weapons in Call of Duty Modern Warfare will affect the following Attributes. In one of the examples above you can see adding Muzzle will add Damage Range, Bullet Velocity and Recoil Control but it will affect Aim down sight and Movement speed. So choose wisely the attachments will also have a negative impact. Focus more on getting accuracy, better ammo and range.


  1. Accuracy
  2. Damage
  3. Range
  4. Fire Rate
  5. Mobility
  6. Control

Weapon Perks in Modern Warfare

Weapon Perks Modern Warfare


Weapon Perks are some additional boost in Modern Warfare, but they will consume one of the slots. For example you can get speed boost, quick reload, low recoil, etc. The good thing about Weapon Perks is that they do not comes with any negative impacts.

How to unlock Weapon Attachments?

You can unlock array of fresh new weapon attachments  as you Level up in COD Modern Warfare. There are eight different attachment zones in the game these is the place where you can unlock better attachments to make your weapon stronger and better in Modern Warfare. The same work for Perks.