The HIVIZ HiViz HRBLW01 LiteWave Ruger MK I II III & IV Front Sight Green Fiber Optic delivers a bright, durable front sight upgrade for Ruger Mark I through IV pistols, including 22/45 with adjustable rear sights and Browning Buck Mark pistols when applicable, offering improved target acquisition and shooting confidence. With the LITEWAVE interchangeable LitePipe design, this all-steel front sight arrives ready to perform and can be customized on the fly with green, red, and white Litepipes to match lighting conditions and personal preference, all while maintaining factory-height compatibility with your rear sight for reliable zero retention. The LitePipe diameter of 0.090 inches and a blade width of 0.125 inches contribute to a precise sight picture, enabling quick alignment without sacrificing accuracy. Built for rugged use, the HRBLW01 combines durable construction with practical functionality, and its unlimited potential is enhanced by the included replacement LitePipe Handgun version #6, making it a versatile solution for Glock-adjacent applications across compatible Ruger and Browning models.