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MW4 DMZ key / Ultra
Air Base DRC Weapons Locker
The Air Base DRC Weapons Locker is used at Chang-san Air Base bunker (grid B6). Locker in the warehouse deep inside the air base bunker, past the armory. The armory itself also needs a six-digit code pieced together from notes.
B6 Chang-san Air Base bunker
- Door
- Locker in the warehouse deep inside the air base bunker, past the armory. The armory itself also needs a six-digit code pieced together from notes.
- Video route
- The locker sits in the warehouse you drop into after opening the air base armory, but not always in the same place: if it is not where you expect, walk the warehouse a couple of times. It is a white cabinet and easy to spot. Player report, not checked by the guides.
- Inside
- Elite Weapons Locker: a 3-plate helmet and a weapon manual have been seen.
- Get the key
- Found as loot
Other keys in Chang-san Air Base
Data updated 2026-10-30. Sources: COD Central — MW4 DMZ keys · DMZ Codex — keys and loot rooms · mw4map.com — key locations · dmzmap.com — key locations and locked rooms · 哆啦A东_DMZ无人区 — key room spots and routes (Bilibili video series)