The component is precision-machined to guarantee accurate and consistent click adjustments for both windage and elevation. It requires no additional fitting and utilizes the factory dovetail, securing in place with two set screws. Constructed from steel, the rear sight notch has a width of 0.11 inches. The component serves as a replacement for the rear sight on standard Ruger upper receivers, ensuring compatibility and maintaining the original functionality This sight is exclusively compatible with upper receivers that feature 0.875 inches bull barrels