This mod changes following weapon 'firing' sounds into hunt showdown's ones.

Breaker 12G - Terminus
Reinfeld 88 - Slate
Claire 12G - Rival 78
Nagant - Mosin-Nagant
Repeater 1874 - Ranger 73, Frontier 73C Silencer
Bernetti Rangehitter - Centennial, Centennial Shorty Silencer
Broomstick - Dolch 96
Peacemaker .45 - Pax
Frenchman Model 87 - Scottfield
Heavy Crossbow - Crossbow
Plainsrider Bow - Hunting Bow
Flintlock Freddy - Nitro Express(haven't tested yet)

Mod preview : https://youtu.be/LmkGSsriwZU