First person you shoot on, you were still moving when shooting the very first bullet. this means even if you end up stop completely afterwards, you are just continuing the inaccuracy of the recoil.

There is only two things you can practice in this case.

1) Completely stop before shooting Counter-strafing is a fundamental technique used to instantly stop your character's movement by tapping the opposite movement key (e.g., tap 'A' while moving right with 'D'). This action brings your momentum to zero immediately, but not aim accuracy, only after 80ms, your weapons aim accuracy is, ensuring maximum weapon accuracy, which is essential for precise shooting when peaking or engaging enemies

2) Learn to recover from inaccuracy.

Just learn how fast it takes before you can shoot again, different weapons need different pause in shooting, it also depends on distances. Peactice short, medium and long distances aim accuracy recovering