This is a Skywalker Sound sound effect. It might be considered as a stock sound effect, due to the fact that in can be heard in media that Skywalker Sound didn't work on. It should not be confused for Sound Ideas, GUN, HAND GUN - SINGLE GUN SHOT 01 from the Hanna-Barbera Sound Effects Library. Links: https://soundeffects.fandom.com/wiki/SKYWALKER,_THUNDER_-_DEEP,_LOW_CRACKLE#Audio_Samples