The Walther P99 is a semi-automatic pistol designed by the German company Walther and introduced in 1996. It features a polymer frame and a double/single-action trigger system, making it versatile for various shooting preferences. The P99 is known for its ergonomic design, which enhances grip and control, and it is available in different calibers, including 9mm and .40 S&W. The P99 has been adopted by several law enforcement agencies and military units worldwide, thanks to its reliability and accuracy. It also includes a unique interchangeable backstrap system, allowing users to customize the grip size for better comfort.