The Viridian 9120025 Green Laser Sight for Ruger 5.7 E-Series Black is a purpose-built trigger guard mounted laser designed for everyday concealed carry, delivering a bright green laser that enables rapid target acquisition in both daylight and low light. Built for easy, tool-free installation on the trigger guard and featuring an ambidextrous on/off button with a 5 minute auto shut off, this laser sight provides reliable constant operation with a 60 minute battery life and straightforward windage and elevation adjustment to ensure precise aiming. The compact, high strength thermo molded polymer housing is durable enough for daily carry, and its compact profile remains unobtrusive while offering up to 25 yards of daylight range and up to a mile at night for confident engagement. Designed specifically to fit the Ruger 5.7, the E Series green laser adds a visible aiming solution without complicating draw or holstering, while the 7-year warranty underscores Viridians commitment to quality. This model emphasizes practical, lawfully compliant training and field use, combining fast sight acquisition with dependable performance on a trusted Ruger platform.