The sound comes from the M4A1-S rifle in Counter-Strike: Global Offensive, Valve's competitive shooter released in 2012. The weapon's quieter audio made it recognizable in clips, frag movies and short edits across gaming communities. It remains popular because players instantly connect it with controlled aim, clutch rounds and tactical play. It is often used alongside other familiar Counter-Strike cues like Enemy Spotted or bomb has been planted to give a video a clear CS feel.