Behind Trijicon Fiber Sights is knowledge from years of engineering and producing the world's only fiber illuminated magnified riflescope. Featuring the same fiber optic materials used in the battle proven ACOG with proven illumination, Trijicon Fiber Sights are purposely engineered to bring the absolute brightest aiming point, while retaining strength and maintaining a refined sight picture. Whether carrying or competing, these bright, thin sights create the perfect aiming point for fast, accurate shots! NoteTrijicon Fiber Sights come from the factory with a 0.060" red fiber pre-installed on the front sight, and an extra red and green fiber replacement. The front post width is 0.110" and the rear notch is 0.125". FeaturesHighly visible front sightBright front post, subdued rear sightClear, precise sight pictureDurable, for rigorous, holstering, and rough handlingOne-handed manipulation due to steeply hooked rear sightComfortable to conceal due to rounded rear sight e...