Patent attributes
A chamber status indicator for a firearm such as a handgun, rifle, or shotgun is disclosed. The chamber status indicator comprises a self-illuminating substance such as a gaseous tritium light source or self-illuminating paint, wherein light from the self-illuminating substance is visible only when a cartridge is loaded in the chamber. The self-illuminating substance can be mounted in a mechanical chamber status indicator. The self-illuminating substance can be mounted in a wall of the chamber. The self-illuminating substance can be mounted in a cartridge extractor. The self-illuminating substance can be affixed to or integrated into a bolt, breech or slide of the firearm. The self-illuminating substance can be integrated into a cylinder containing multiple chambers.
