US Patent 10254066 Ammunition round counter and related methods

Implementations of ammunition round counting devices may include: a first module and a second module hingedly coupled together, the first module and the second module configured to open and close around a belt of ammunition; a counter module including one of at least two light emitting diodes (LEDs) and at least two light sensors or at least two proximity sensors; a display screen on an outside of the first module; and a battery pack operatively coupled with the counter module. The counter module may be configured to count a number of rounds in the ammunition belt that pass through the first module and the second module.