The MP5 is a submachine gun designed by Heckler and Koch in West Germany during the 1960s, and its distinctive rapid fire has since become a familiar sound in action films, television and video games. Because the weapon appears so often in police and military scenes, listeners recognise its burst instantly even without seeing it. Online, short recordings of MP5 fire are widely reused as stock weapon audio for edits, memes and gameplay videos, where a brief burst adds realism and urgency without needing a longer soundtrack.