[Fly!]

Search Sound Recorder here. .wavs have 2 b 44,100 kHz, 16-bit, Mono or 22,050 kHz, 16-bit, Mono.

Also dif. Sound Versions have dif. preset/sounds and .wav names. They have to match.
Ex: weapon.MGunMG15120MGs.prs
weapon.MGunMG15120s.prs both have

[samples]
MG_68.wav
MG_68i.wav inside.