I’ve had this problem with gaming a long time ago and it’s been the same despite all my efforts to fix it. I always have had this even after changing the mouse itself, [G703], only on games from Call Of Duty, I’ll have a video to show my problems, my hardware is:
MOBO: AsRock B450M
CPU: Ryzen 5 2600X
GPU: RTX 2060 [Gigabyte]
PSU: ATX Power Supply KL-500 KoLink
Video of the problem https://www.youtube.com/watch?v=5Q-gq62ehUU&feature=youtu.be