File path:
\SteamLibrary\steamapps\common\PAYDAY 2\mods\saves\ACH Addons\Hitsounds\BF6 KIill&Hit Sounds

body / head
hit / critical hit / kill
sounds

Need [ACH Addon]
And set in game.

How to set in game:

Replace the oldest

→BattlefieldV Hit&Kill Sounds
→Battlefield2042 Hit&Kill Sounds
→Battlefield1 Hit&Kill Sounds
→Battlefield4 Win&Lose Sounds
→Battlefield LAB Win&Lose Sounds
→Battlefield6 Win&Lose Sounds