FAST Magnifier Mounts feature the first ever Flip-To-Center (FTC) mechanism that provides stowage completely within the footprint of the weapon's receiver while not obstructing the host optic's sight picture. This provides the most optic capability with the lowest profile during all modes of operation The revolutionary FTC function completely solves the problem posed by legacy flip-to-side magnifier mounts (when disengaged, the magnifier hangs off the side of the gun, creating a major snag hazard). FAST FTC Magnifier Mounts completely eliminate this danger and utilize a force-to-overcome mechanism for rapid transition. This FAST mount hangs the magnifier upside down so as Mfg: Unity Tactical