The MP5 is a submachine gun designed by the German company Heckler & Koch in the 1960s. It is known for its compact size, lightweight design, and high rate of fire, making it popular among military and law enforcement agencies worldwide. The MP5 fires 9mm ammunition and features a blowback operation, which contributes to its reliability and accuracy. The MP5 has been used in various conflicts and is often associated with special forces and counter-terrorism units. Its versatility allows for different configurations, including suppressors and various stock options. The weapon has appeared in numerous films and video games, further cementing its iconic status in popular culture.