This is a Cinesound sound effect.
https://soundeffects.fandom.com/wiki/File:Pistol1.wavhttps://soundeffects.fandom.com/wiki/File:Pistol2.wavhttps://soundeffects.fandom.com/wiki/File:Pistol3.wavhttps://soundeffects.fandom.com/wiki/File:Pistol4.wavhttps://soundeffects.fandom.com/wiki/File:Pistol5.wav