Using the "Gunsmith" feature to build weapons with the lowest recoil or fastest "Ads" (Aim Down Sight) speed.
Adjusting camera and firing sensitivity to improve accuracy.
Cheating ruins the competitive experience for others and is a violation of the game’s Terms of Service . Legitimate Ways to Improve
While I can't provide instructions on how to install or use illegal hacks, I can help you with or optimal gunsmith builds for the current season.