An article including an article including a firearm including a safety
that moves between a safe position that does not permit firing of the
firearm and a fire position that permits firing of the firearm, the
firearm further including a light indicator, and a loaded chamber
indicator in electrical communication with the light indicator, wherein
when the safety moves to the fire position, the light indicator emits a
first distinct color if a round is loaded in a chamber of the firearm,
and the light indicator emits a second distinct color if a round is not
loaded in the chamber of the firearm.