MW4 DMZ · Loot
MW4 DMZ X01 Keys and loot
Every verified X01 key and keycard, then mission items, valuables, gear, and crafting ingredients. In-game text is quoted from gameplay captures; every other fact has two independent sources. Weapons have their own tab.
MW4 DMZ X01 Keys

Deep Vault 301

Encodable Blank Keycard

Staff Emergency Exfil Keycard

Small Test Chamber

Audit Room

Archive Closet
Executive Room
Open item →0Maintenance Room
Open item →0Superintendent's Office
Open item →0Deep Vault 106
Open item →0Lt. Chol-Min's Stash Room
Open item →0Deep Vault 406
Open item →0X01 Vault DRC Locker Key
Open item →0Lucera Suite 703 Bedroom
Mission Items
Valuables

R-4 Bio-Compound

Human Trial Records: R-18

Gilded Medal of Absolute Loyalty

Encrypted Archive

Nuclear Program Files

Medal of Unquestioning Service

Gilded Maritime Relic

Degraded Execution Footage

Ballistic Flight Logs
Gear and Backpacks

Argonaut Armor

Medium Scavenger Backpack

Bandage

Dog Tag Case Upgrade I
Open item →0
Uncommon Ingredient Printing
Open item →0
1-Plate Armor Vest

Small Backpack

Secure Scavenger Backpack

Weak Night Vision Goggles

2-Plate Ballistic Gel Vest
Armor Plate
Open item →0Consumables
Tacticals
Lethals
Field Upgrades
Fire Support
Ingredients and Crafting

Specter Fabric Sample

SR-16 Bio Agent Sample

CPU

Printed Circuit Board

Control Unit

Electronic Sensors

Alloyed Plating

High-Tenacity Fibers

Ballistic Fabric

Detonators

Biomaterials

Volatile Explosives
MW4 DMZ X01 Keys FAQ
What MW4 DMZ X01 keys are in this guide?
This loot index lists every verified X01 key and keycard on Mission Key, including Deep Vault 301, Deep Vault 106, Deep Vault 406, the X01 Vault DRC Locker Key, and encoded cards such as Executive Room, Maintenance Room, and Staff Emergency Exfil.
Does Deep Vault 301 get used up on the Deep Vault gate?
No. Deep Vault 301 opens the Deep Vault gate at C2 without being used up, and also opens Room 301 inside the vault.
How do you encode a blank keycard in X01?
Encode an Encodable Blank Keycard at a Keycard Encoder Station: Supply Depot for Maintenance or Executive Access, and Data Center for Engineering or Audit Officer Access.










