Unity Tactical FAST Trijicon MRO Mount 2.26" Optical Height MRO/MRO-HD Footprint Anodized Finish Black. It features a built-in fully adjustable rear back-up iron sight that is compatible with a standard front sight for a traditional sight radius. It comes standard with a 2 cross bolt rail clamp but is compatible with the FAST QD (Quick Detach) Lever. It can be paired with any FAST FTC (Flip-to-Center) magnifier mount. FAST is a series of optic mounting solutions that provides end users with a quicker sight picture than standard height mounts. FAST mounts position most optics at a 2.26" optical centerline from the rail which allows for more rapid visual processing of the battlefield by ensuring an ergonomically correct heads-up posture. Further they provide faster and easier dot/reticle acquisition while wearing night vision goggles protective masks plate carriers and other gear. COMPATIBILITY: Trijicon MRO Trijicon MRO-HD BUIS: Fully Adjustable Rear MOUNT TYPE: 2 Cross Bolt Rail Clamp FAST QD Lever Compatible (Sold Separately) Specifications for Unity Tactical FAST Trijicon MRO Mount: Manufacturer: Unity Tactical Finish: Anodized Fabric/Material: 7075-T6 Aluminum Optic Cut: Trijicon MRO Height: 2.26 in Weight: 3.5 oz Condition: New Quantity: 1 Package Contents: Unity Tactical FAST Trijicon MRO Mount