The key for opening this door is the Executive Arms Auction Key from MW4 DMZ. The best way of getting access to this door is by completing the story mission, Operation Grid Assault, which helps you avoid some PvP battles as well. You only need to follow a few simple steps to reach the door and use your key to collect the rewards.
How to Find and Use the Executive Arms Auction Key
To get to the door of the Executive Arms Auction, one can play the story mission of Grid Assault in MW4 DMZ. In this way, players will get to the destination, as well as avoid some PvP fights that occur in a normal game. Additionally, players may earn the rewards of the mission by completing it or exiting early after opening the door.
How to Reach the Executive Arms Auction Door
If you initiate Operation Grid Assault, you will be spawned in the DBN Headquarters. Just follow the objective of the mission, which will take you to some elevators in the building. If you are exploring the map for your regular match, look for one of the tallest buildings. The building is made of glass, which makes it easily recognisable from far away.
As you enter the building, there is a zipline that you can use to go up to higher floors. Once you use the first one, you have to use the second one to get to an even higher level. It will bring you closer to the Executive Arms Auction door. From there, enter the room, which appears to be a club. You will see the Executive Arms Auction door in the room. Use your key to unlock it and collect the available rewards.
