The Detachable Carry Handle with A2 design is crafted from aircraft-grade aluminum and steel, ensuring exceptional strength and durability for your firearm. This versatile handle features a built-in dual aperture rear flip-up sight with adjustable windage and elevation settings, allowing for precise targeting. Measuring 5 inches in height and 7.125 inches in overall base length, it seamlessly fits onto flat-top rifles, serving as both a carry handle and a reliable rear sight system. Experience dramatically improved sight pictures that enhance shooting accuracy, with exact precision and tolerances compatible with all model 4/15 variants. Best of all, installation requires no gunsmithing, making it an effortless upgrade for any shooter.