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Call of Duty: MW4 DMZ – How to Find & Use Weapon Manuals

Unlock and customize new weapons! Here is how to find Weapon Manuals in MW4 DMZ.

cod-mw4-dmz-three-operators-with-weapons
cod-mw4-dmz-three-operators-with-weapons
alexa author
By Alexandria LopezStaff Writer

  • Primary Subject: Call of Duty: Modern Warfare 4
  • Key Update: Players can collect 28 Weapon Manuals across Hajin in Modern Warfare 4 DMZ to permanently unlock and customize weapons at the FOB Gunsmith.
  • Status: Confirmed
  • Last Verified: October 27, 2026
  • Quick Answer: Find Weapon Manuals in MW4 DMZ by looting Military Containers, locked safes, and keycard rooms in Hajin, then exfil to unlock Gunsmith weapons.

Want to spice up your loadout in Call of Duty: Modern Warfare 4 DMZ? Then you'll need to find Weapon Manuals around Hajin.

Weapon Manuals allow you to purchase and unlock weapons in DMZ, as well as the ability to customize your weapons in the FOB. Finding them can be tricky - but not impossible, as they are found all over the map.

Here's how to find them in MW4 DMZ.

How to Find Weapon Manuals in Modern Warfare 4 DMZ

Weapon manuals are loot items that can be found in any DMZ match. Common blueprints can be found in Military Containers or Safes. Of the two, Military Containers are the most common and are often found in police stations or compounds.

An in-game interface showing a locker and various items, including a manual titled "HIM 88" and a mission objective.
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Credit: Activision

Safes can be found in similar places, but will require more force than simply opening a Military Container - after all, they are locked.

Additionally, locked rooms in DMZ will often have weapon manuals alongside high-tier loot. To get into these rooms, you'll likely need a keycard. If they don't need a keycard, you can use a Door Breacher Charge to unlock these doors.

How to Use Weapon Manuals in Modern Warfare 4 DMZ

Once you have found a Weapon Manual and have successfully exfilled, it will automatically be consumed, and you'll be able to purchase that weapon from the Gunsmith. There are a total of 28 Weapon Manuals in Hajin.

A video game screen showing a player in a first-person perspective. The player is holding a weapon and interacting with an item labeled "ZIP GUN RECIPE" in a virtual environment. Inventory and mission information are displayed on the screen.
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Credit: Activision

Take note that exfiling with the Weapon Manual in your inventory is important. If you die with it, you won't be able to use the Manual. If you don't want to exfil immediately, you can add it to a Secure Slot in your backpack to ensure you'll be bringing back the Manual to your FOB.

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