Hi-Viz LiteWave H3 Tritium/Litepipe Night Sights, Fits M&P Fullsize And Compact In All Calibers, Green Front w/White Front Ring, Orange Rear MPN421 HIVIZ(R) LiteWave H3 sight combines Tritium with our LitePipes technology for day/night performance with 24 hour illumination. Front and rear sight are green. 12 year Tritium warranty. Fits M&P full-size and compact in all calibers. Does not fit CORE" M&P 22 or M&P long slide models.