What type of ammunition is used in the M9 pistol?

The M9 pistol utilizes 9mm Parabellum ammunition, also known as 9mm Luger. This round is widely recognized for its balance of performance characteristics such as manageable recoil, good stopping power, and availability. The M9, which serves as the standard-issue sidearm for the U.S. military, was specifically designed to utilize this type of ammunition, ensuring compatibility with military specifications and operational requirements.

The 9mm Parabellum round has been favored in many military and law enforcement applications due to its effective terminal ballistics and favorable accuracy at various ranges. The M9's design, including its magazine capacity and overall handling, has been optimized for this ammunition type, making it a suitable choice for service members in diverse operational environments.