A 9mm gun is a type of firearm that uses 9x19mm Parabellum ammunition. It is a popular choice for self-defense, law enforcement, and military use due to its relatively low recoil, high capacity, and accuracy. The “best 9mm gun” is a subjective term that can vary depending on the individual’s needs and preferences. However, some of the most popular and well-respected 9mm guns on the market include the Glock 19, the Smith & Wesson M&P9, and the Sig Sauer P320.
9mm guns have been used in a variety of important historical events. For example, the 9mm Parabellum cartridge was used in the Luger pistol, which was the standard sidearm of the German military during World War I and World War II. The 9mm gun was also used by the United States military in the Vietnam War and the Gulf War.