Low ammunition warning switch

An ammunition magazine, comprising:

• a container configured to hold ammunition and dispense the ammunition to a weapon and having a bottom;
• and
• an indicator disposed in the container and configured to create a signal indicative of a predetermined amount of ammunition remains in the container, wherein the indicator comprises:
• a lever configured to engage with the ammunition when more than the predetermined amount of ammunition remains in the container, and configured to not engage with the ammunition when less than the predetermined amount of ammunition remains in the container, wherein the lever is configured to pivot about an axis that is perpendicular to the bottom of the container to have a first position when the container holds at least the predetermined amount of ammunition, and a second position when the container holds less than the predetermined amount of ammunition;
• a signal generator coupled to the lever and configured to provide an electrical signal indicative of whether the lever is engaging the ammunition, or is not engaging the ammunition;
• and
• a ledge disposed inside the container at a position over the lever and configured to secure the ammunition in engagement with the lever when more than the predetermined amount of ammunition remains in the container.