Since the latest lets us change gun sounds, I think this thread might be useful for those of us who wants to mod gun sounds. Here's what I know:  The sound is split in two files, first you have to find the left channel in Grand Theft Auto V\x64\audio\sfx\WEAPONS_PLAYER.rpf that one is easy to find because the folders have proper names like "ptl_50cal"   The tricky part is finding the right channel in Grand Theft Auto V\x64\audio\sfx\RESIDENT.rpf (you have to extract the weapons.awc folder)