Hi-Viz Springfield Armory 1911 lite wave front sight fits Springfield 1911 production models including range officer, except gi SF2015 and MIL spec. Includes interchangeable lite pipes in Red, green and white. The lite wave sight design from Hi-Viz features an innovative, diagonal-wave design that increases durability to the protective exoskeleton and allows for more exposed surface area for the lite pipe to Gather light from all angles, for the brightest sight available. The durability of our over molded sights and the ability to Gather light from nearly any angle, along with the versatility of interchangeable litepipes. Model SF2015..