For those who don't know how to unlock the MP40 in Call of Duty Vanguard - Warzone the following article is all you need to get it.
What is the MP40 in Call of Duty Vanguard - Warzone?
It is a submachine gun type weapon that has just been added to the game with the arrival of the most recent update, being one of the two new weapons that we will be able to find with its arrival. This submachine gun will be useful for shooting both at short distances and at slightly longer distances, but at long distances it will be better to carry a more suitable type of weapon.
How to unlock the MP40 in Call of Duty Vanguard - Warzone?
In order to get your hands on this weapon you will have to position yourself at level 16 in the game and the best way to do this is by completing all the multiplayer. This weapon can be upgraded for better performance, but this will require you to obtain all the attachments in order to take it to its maximum level.