#html-body [data-pb-style=XXUPI59]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll;border-style:none;border-width:1px;border-radius:0;margin:0 0 10px;padding:10px}#html-body [data-pb-style=BYKAGB4]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}Designed for subcompact pistols, the HS507K X2 open reflex optical sight is an upgrade from its predecessor, introducing Lock Mode to prevent accidental setting changes. Boasting features like Holosun's Red Super LED, a 50k-hour battery life, Multi-Reticle System, and Shake Awake, this sight is housed in a durable 7075 Aluminum casing with a convenient side-mounted tray for easy battery replacement.