My top recommendation for FPS mice that isn't over $80 is the Corsair M65 Pro RGB.
It has a 12 000 DPI sensor
8 total switches
An optimized FPS button on the side, which allows you to zoom in without moving the position of the actual mouse.
And of course TONS of RGB lights.
hmm i was watching rocket jump ninja and he said that the weight and awkward shape makes it more geared towards less fps gamers like mmo/moba games haha