MW4 DMZ: Counting Room Vault Key Location [Full Guide]

The MW4 DMZ Counting Room Vault Key is earned by completing Operation Silent Ledger and unlocks the reinforced financial vault located on the top floor of Heavenly Luck Casino in Cheongun Village, offering exclusive high-tier contraband and classified military intel. According to verified reports from Game Rant, navigating to this high-value target requires extreme caution due to Heavenly Luck Casino serving as a notorious PvP hot zone for ambushing squads. Once operators infiltrate Cheongun Village, they must breach the casino's primary entrance, fight through elite armored AI combatants, and ascend the eastern stairwell toward the private management corridor. The locked Counting Room Vault door is situated at the end of the second-story hall, identifiable by its electronic keypad and reinforced steel frame. Inside, players secure top-tier loot caches containing five-attachment weapons, gold bullion, and critical extraction documents necessary for late-game faction tiers. While tackling complex objective routes mirrors mastering mechanical depth in [Roblox Airport Security: All Classes Ranked [Full Guide]](/news/roblox-airport-security-classes-guide), surviving this infiltration demands tight communications and rapid breach-and-clear protocols. Operators must secure the room quickly before rival trios converge on the gunfire, ensuring a clean exfil path toward nearby extraction zones.