SAGE DETACHABLE SIGHT KIT MODEL: SDSK The SAGE Detachable Sight Kit allows for the installation of modular SAGE ghost ring sights. The kit includes one (1) rear flip-up ghost ring sight and one (1) front sight module. The front sight module consists of two individual flip-up sights specifically calibrated for SAGE manufactured munitions. Available with either a 20/40 meter or 60/80 meter front sight module.