What if you had a gun and a bullet that literally hurt just before you died? The "smart revolver" developed by S&T Motiv is a gun developed for exactly that purpose. How is that possible? This is because smart revolvers use 'low kill bullets'. "Low-Killing Bullet" is a bullet developed to compensate for the shortcomings of existing bullets that are too strong to kill the criminal unintentionally or to penetrate the criminal's body and cause damage to innocent citizens. This bullet, which lowers penetration and power, is not only embedded in the body, but also weak in rebounding.
Of course, the police are the organizations that need such ammunition in Korea. The smart revolver is a gun that fits the situation of the Korean police who can't shoot a live bullet against the criminal because of the power of the bullet. Also, to accurately recreate the scene at the time of shooting, the production company put a black box device called 'smart module' in the gun. Various information, such as shooting time, location, angle of the gun, and type of bullet used, is embedded in the device and can be retrieved to the computer whenever necessary.