A sighting device includes a base portion structured to be mounted to a gun, a battery powered accessory, and a battery receiver structured to contain a battery for the battery powered accessory. The battery receiver has a closed position in which the battery receiver is contained within the base portion as well as an open position in which the battery receiver is at least partially separated from the base portion. The sighting device includes a manually operated release button that, when pressed, causes the battery receiver to be released from the closed position.