Call of Duty Modern Warfare 4 DMZ has plenty of locked doors spread all around Hajin, and the Gun Store Weapons Locker is arguably one of the best ones to open. After all, it offers you some of the best loot on a consistent basis.
Let’s find out where you find the key.
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How to get the Gun Store Weapons Locker key in Modern Warfare 4 DMZ
There are two major sources of this key.
- Explosive Equipment Kit
- Trap Equipment Kit
However, you’ll first need to reach certain player levels. To get the Equipment Kit, you’ll need to reach level 16. To get the Trap Equipment Kit, you have to reach level 42.
These bags will provide you plenty of weapons, grenades, and the much-required key. However, the keys are only useable for one time, so always carry it in your insured slot.
Gun Store Weapons Locker location in Modern Warfare 4 DMZ

Once you have the key, head to Cheongun Village. It’s located inside a building that’s between the Police Station and the Casino. Once you head inside, you’ll find the stairs that go down to the ground floor.
Enter the second room that has green lightning inside. There, you’ll find three lockers to unlock. The exact loot you get will be random, but the usual stuff is all high-tier things, so make sure to extract safely without taking too many risks.