The Aimpont 3X-C is built to work in conjunction with the Micro Aimpoint red dot sights. It allows for quick 3x magnification to be applied to the red dot with just a quick position adjustment of the magnifier. The 3X Mag utilizes the red dot of the reflex sight so there is no need to re-zero. This scope can also be utilized as a monocular with its shock absorbent outer coating doubling as a great grip surface.