Mastery Assignment for my gun is not available

Product: Battlefield V
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number N/A
Enter RAM memory size in GB 16GB
Which part of the game is the issue happening in? Game Menu
In which game menu were you when the bug occurred? Assignments
Please select your region North America
On which server did this happen?
When did this happen? (dd.mm.yy hh:mm) 09/03/19
Summarize your bug I have completed the criteria for the Gewehr M95/30 Proficiency V multiple times and it hasn't been marked as completed.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Get 4 head shots in a life and in an objective area.
What happens when the bug occurs? The Gewehr M95/30 Proficiency V isn't being marked as completed.
What should be happening instead? The assignment should be completed.

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I have completed the criteria for the Gewehr M95/30 Proficiency V multiple times and it hasn't been marked as completed. The assignment calls for either "1 life head shot 4 enemies in objective areas" or "1 round head shot 10 enemies in objective areas". I have gotten the 4 head shots in one life about 4-5 times. Sometimes more than the required 4. The in game the counter on the left of the HUD confirms that I got them as well. However at the end of the round it doesn't reward me with the assignment as complete.