TruGlo Tritium Glow in the Dark Compact Pistol Optic with Transitioning Green and White Dot for Glock 42 and 43 Pistols, Green

Truglo offers handgun owners the ultimate target/defensive sight with their patented TFO (Tritium Fiber Optic) technology. The tritium maintains the brightness level of your sights in low light or no light conditions. The fiber optic light rod provides superior performance in low light to bright light conditions. The combination of the two provide unbelievable transitions through all light conditions.