The Beretta M9A1 tactical pistol evolved from the base design of the battle-tested and proven M9, with input from military and law enforcement agencies around the world. Developed to meet the demanding requirements of the US Marine Corps, the M9A1 incorporates the established reliability and performance of the M9, with added features needed for the ever-changing missions of peacekeeping forces. Thanks to its accuracy, durability and versatility, it also makes a superb choice for personal or home-defense as well as concealed carry.