This is a Skywalker Sound sound effect. It debuted in Star Wars: The Force Unleashed.
https://soundeffects.fandom.com/wiki/File:SKYWALKER,_GUN_-_FLECHETTE_LAUNCHER_FIRE.mp3https://soundeffects.fandom.com/wiki/File:SKYWALKER,_GUN_-_FLECHETTE_LAUNCHER_FIRE_(Alt).mp3