Published Nov 4, 2026, 12:37 PM EST

Bring a second, if you have it

Image: Infinity Ward/Activision via Polygon

The Call of Duty: Modern Warfare 4 DMZ blackmarket weapons locker key is one of many keys in the extraction mode, and it's used to open, as you may have guessed from its name, a locker that can contain rare weapons and loot. Much like the gun store weapons locker key , however, the blackmarket weapons locker key can be used in two different locations.

Here's a complete guide on where you need to go to use the blackmarket weapons locker key in DMZ in Modern Warfare 4 .

Blackmarket weapons locker key locations in DMZ

Graphic: Ford James/Polygon Source images: Infinity Ward/Activision via Polygon

There are two locations where you can use the blackmarket weapons locker key in DMZ, and each location has two lockers. So if you have multiple keys, you can grab the goodies from up to four locked containers in one deployment.…