https://imgur.com/a/RwVkuWc 3 frenzies, gambled on site and stimmed through main. Four seconds to win the round lol (Sorry if the format is weird. I tried posting as an image post but the sub wouldn’t let me)

Hello guys, I really want to improve my aim, my flick is really good, but I wanna have more precision in my shots do you guys have advices or something else?

I use shotguns a lot, and they are really popular in this game, but god I would prefer a thousand times more to use my personal crosshair with them. I get the point of having a different crosshair to a weapon that works so differently, but...