Built for law enforcement and military applications, the Aimpoint CompM5 2MOA Red Dot Sight provides greater situational awareness and rapid target acquisition while allowing you to shoot with both eyes open. These Red Dot Sights by Aimpoint have superior light transmission with 4 night vision and 6 daylight settings for better accuracy in daytime and night, and the 2 MOA red dot is powered by ACET technology for over 50,000 hours of constant operation. Advanced optical lenses are held in a durable and lightweight housing, and the Aimpoint CompM5 ACET Red Dot Sight is keyed into the mount base for the absorption of recoil. When you need to accurately hit your target while maintaining awareness of your surroundings, you need the Aimpoint CompM5 Mechanical Switch Red Dot Sight.