Hi-Viz LiteWave H3 Tritium Night Sight, Fits Ruger GP100, Green Front w/White Front Ring, Front Only GPN301 New! LiteWave H3(TM) sight combines Tritium with the HIVIZ Litepipe technology for 24 illumination. Now you can have the advantage of day and night performance all in one sight system. All steel construction sight sets are rugged and durable" designed for the roughest use" whether it is personal defense and protection" Law Enforcement or Military or hunting. The new LiteWave H3(TM) ensures fast sight acquisition and a bright sight picture day or night.