The Trijicon HD XR Night Sights are available for multiple versions of the Glock. Then, if they pose a threat then the officer can aim accurately with the tritium night sight and take the suspect down.
Most of them will shine a flashlight next to their Glock so they can positively identify the person in front of them. Since police officers are usually engaging suspects in dark rooms of buildings or houses, it helps that they have tritium night sights attached to their Glocks. They can hold 15 and more rounds per magazine and can shoot as a semi-automatic weapon with very little recoil. In fact, more than 60% of American police officers carry a Glock. Glock 17, 19, 22, 26, 32, 37 are mainly used for self-defense purposes, whether it is by an ordinary citizen or a police officer. If there is a lot of moonlight outside, then you may have a better idea of what you’re shooting at. So, the tritium night sight is best used in low lit environments where you can still somewhat see what is in front of you or combined with handgun flashlight. Of course, if it is totally dark in your environment then you might have trouble seeing what you’re shooting at. Tritium can only be noticed in darker environments, which is why it’s marketed specifically as a night sight.
If you try using a tritium night sight during the day, you won’t be able to see the light emitted from it. The tritium-illuminated fixed sights of the Five-seveN USG pistol, in normal lighting and dim lighting.