Hat become weird when equipping gun

When I equip my M4A1 I get a weird hat (I will attach proof)
It occurs every time I do the reproduction steps.
It occurs anywhere.
Reproduce it by equipping M4A1, zooming into first person and then zooming out.
ezgif.com-gif-maker (1)
Sorry for the maybe little “video” I can’t actually upload a video and I had to shrink it so it isn’t too “big”.

Here is a closeup picture.
image

Yh, it still does that now. Everytime you equip M4A1 that happens