The Viridian 9120023 Green Laser Sight for Ruger Security 9 and 380 Full-Size and Compact E-Series Black offers a compact, robust solution designed for everyday concealed carry with a quick, tool-free mounting to the trigger guard. The Ambidextrous on/off switch provides easy access from either hand, paired with a 5-minute auto shut off to conserve power, while the high?strength thermo molded polymer construction keeps weight to about 0.78 oz and durability consistent with daily use. The green laser sight delivers reliable targeting visibility, with a Constant laser operating for up to an hour on a 1/3N battery and straightforward windage and elevation adjustments to dial in precision. In practical use, the E-Series design enhances sight alignment during daylight, offering ranges cited as up to 100 yards in daylight and significantly longer reach at night, and it remains accessible for rapid engagement thanks to its trigger-guard mounting and simple activation. This model is purpose-built for Ruger Security 9 and 380 Full-Size and Compact configurations, combining secure attachment with weather?resistant performance and a seven-year warranty for long-term reliability.