US Patent 11555669 Firearm sight with modular interchangeable hoods

A sighting device is configured to be mounted on a firearm and comprises a core unit that includes a source of electrical power; a hood removably secured to the core unit and enclosing a portion of the core unit and at least partially defining a sight window through the hood; and an electrical connection between the core unit and the hood, wherein electrical power is transmitted between the core unit and the hood. The electrical accessory may be one of a solar charging cell; a laser pointer sighting device powered by the core unit; or a laser range-finding device powered by the core unit.