This LED upgrade kit replaces the light source in original Stinger LED flashlights with a C4 LED, increasing brightness by 2 to 3 times. The kit includes a face cap assembly, a retaining ring, and a C4 LED with a switch assembly to facilitate a complete hardware transition. It is compatible with flashlight models that do not contain a "C" or "C4" in the serial number.

This LED upgrade kit replaces the light source in original Stinger LED flashlights with a C4 LED, increasing brightness by 2 to 3 times. The kit includes a face cap assembly, a retaining ring, and a C4 LED with a switch assembly to facilitate a complete hardware transition. It is compatible with flashlight models that do not contain a "C" or "C4" in the serial number.