The Unity Tactical 2.91 FTC (Flip-to-Center) magnifier mount revolutionizes magnifier deployment with innovative technology that raises OMNI magnifiers to 2.91" height for seamless compatibility with GBRS Group Hydra Mounting Systems.Unity Tactical 2.91 FTC OMNI Magnifier MountFlip-to-Center technology eliminates traditional flip-to-side placementForce-to-overcome mechanism for secure positioning2.91" height to optic center lineQD lever rail mount for quick attachment7075 T6 Aluminum construction with Type III Hardcoat Anodized finishLightweight at 5.2ozStows magnifier below optical sight plane when not in usePerfect for tactical applications where space efficiency and unobstructed sight pictures are critical this mount provides all the benefits of magnification when needed while staying completely within the weapon's receiver footprint when stowed.