Cheongun Village in MW4 DMZ: a red-roofed house by a creek, rail tracks and a casino tower behind — Screenshot: Call of Duty: Modern Warfare 4 © Activision (enhanced)

MW4 DMZ key · Cheongun Village

Counting Room Vault Key Location in MW4 DMZ

The Counting Room Vault Key opens the vault of the counting room on the main floor of the Heavenly Luck Casino. Its description names grid F4, at Cheongun Village. A reward for the Operation Silent Ledger Story Mission, which sends you into the same casino's vault.

Last updated October 23, 2026Game version: DMZ Early Access, day 1

◆ Fortress · L Lieutenant Tower · U UAV Tower · A Ammo Armor Cache · P Police Station · F Fire Station · C Clinic · G Gas Station · M Marine Gas Station. Rings show the highest threat level (Low, Medium, High, Critical, Extreme); the white ring is Cheongun Village. Smaller markers from Activision's official Hajin Tac Map. Screenshot: Call of Duty: Modern Warfare 4 © Activision (enhanced)

Where the Counting Room Vault is

Location	Cheongun Village
Tac-Map grid	F4
Rarity	Epic
Highest threat at Cheongun Village	High

The Tac-Map grid runs letters from west to east and numbers from north to south, so F4 is column F, row 4. See Cheongun Village on the interactive Hajin map, and its threat level by area in our Cheongun Village location guide.

What the Counting Room Vault Key opens

The vault of the counting room on the main floor of the Heavenly Luck Casino. The key card is Epic.

Confirmed by 4 sources, including video 1 at 0:12, video 2 at 0:30, video 3 at 0:03. Checked 2026-10-20 (DMZ Early Access, day 1).

How to get the Counting Room Vault Key

A reward for the Operation Silent Ledger Story Mission, which sends you into the same casino's vault. The steps are in our Operation Silent Ledger walkthrough.

Keys can go in your Stash between deployments, but anything outside a Secure Slot is lost if your exfil fails. Tick the keys you have in the MW4 DMZ key finder; the list stays in your browser.

Other keys at Cheongun Village

Vault Armory (grid F4): The small armory in the underground parking of the Heavenly Luck Casino.
Rail Depot Storage (grid E5): The storage room in the basement of the railway station near the Fire Station.
Mechanic's Shack (grid F5): The mechanic's shack south of the clinic in Cheongun Village. One source so far, not yet verified.

Questions

Where is the Counting Room Vault Key used in MW4 DMZ?

At Cheongun Village, grid F4 on the Tac-Map. It opens the vault of the counting room on the main floor of the Heavenly Luck Casino.

How do you get the Counting Room Vault Key?

A reward for the Operation Silent Ledger Story Mission, which sends you into the same casino's vault.

What rarity is the Counting Room Vault Key?

Epic, as its key card shows.

Every confirmed MW4 DMZ key with its own page

Sources

Checked against the official posts on October 20, 2026. The key itself comes from players’ videos, linked above at the moment they show it; we only give a key its own page once two different sources agree.