Final answer:
The M9 Beretta Handgun is a semi-automatic pistol that was adopted by the U.S. military in 1985. It replaced the M1911 as the standard sidearm for the U.S. Armed Forces. It has a 15-round magazine capacity, fires 9x19mm Parabellum rounds, and is known for its reliability and accuracy.
Step-by-step explanation:
The M9 Beretta Handgun is a semi-automatic pistol that was adopted by the U.S. military in 1985. It replaced the M1911 as the standard sidearm for the U.S. Armed Forces. The Beretta M9 has a 15-round magazine capacity, fires 9x19mm Parabellum rounds, and is known for its reliability and accuracy.
The M9 Beretta Handgun has been used by various branches of the military, including the Army, Navy, and Air Force. It has also seen action in multiple conflicts, such as the Gulf War, Iraq War, and Afghanistan War. The M9 is a popular choice for law enforcement agencies and civilians as well.