The 9mm Luger is a popular handgun cartridge, originally designed in 1902 by German engineer Georg Luger. It is widely used in various firearms, including pistols and submachine guns, due to its balance of power, recoil, and accuracy. The cartridge is known for its effectiveness in self-defense and law enforcement applications. This ammunition is often referred to as 9x19mm Parabellum, indicating its dimensions. The 9mm Luger has become one of the most common calibers worldwide, favored by military, police, and civilian shooters alike. Its versatility and availability contribute to its enduring popularity in the firearms community.