Smart gun

A smart gun, also called a smart-gun, or smartgun, is a firearm that can detect it is being used by authorized user(s) or in an authorized location. Various designs have been proposed to prevent accidental discharge and criminal misuse of firearms. The term is also used in science fiction to refer to various types of firearms with self-aiming capabilities or which use smart bullets.

User-specific smart guns typically employ RFID chips or other proximity tokens. They are intended to prevent accidental shootings (e.g. by children), gun thefts, and criminal usage by persons not authorized to use the guns.

Location-based guns implement geofencing via GPS; a wireless signal from a base station or a motion-activated time lock to prevent usage if the firearm is stolen or otherwise removed from its authorized location.

Related to smart guns are other smart firearms safety devices such as biometric or RFID activated accessories and safes.

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