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Weapons Mod Workshop B5 Key | Location + LOOT Guide | MW4 DMZ Guide


Published: Oct 30, 2026
Last Edit: Oct 30, 2026
204 Words, 1 Minute.

Watch the video:


Timestamps:
0:00 - Intro/Explanation
0:14 - Quick way to the Chang-san Air Base
0:32 - Weapons Mod Workshop B5 Location
1:17 - Weapons Mod Workshop B5 Loot

Have the Weapons Mod Workshop B5 Key? This video shows you where to use it as well as the loot inside so you know if it’s worth keeping! Weapons Mod Workshop B5 - Unlocks the weapons workshop on the second floor of the military repair garage, directly west of the clinic within Chang-san Air Base.

Questions answered in this video:
Where do you use the Weapons Mod Workshop B5 Key in MW4 DMZ?
Where is the Weapons Mod Workshop at Chang-san Air Base?
How do you reach Chang-san Air Base quickly?
Where is the military repair garage west of the clinic?
Which floor contains the Weapons Mod Workshop?
How do you find the locked workshop door?
What does the Weapons Mod Workshop B5 Key unlock?
What loot is inside the Weapons Mod Workshop?
Is the Weapons Mod Workshop B5 Key worth keeping?

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