The Viridian E-SERIES Red Laser Sight for Ruger 5.7 Pistols is a gun-specific, trigger guard-mounted laser sight designed to provide rapid target acquisition, making it an essential accessory for everyday conceal and carry. With the most powerful red laser legally available, this sight offers exceptional visibility and ease of use for the Ruger 5.7 pistol. Model-Specific Fit : Designed to fit Ruger 5.7 pistols, ensuring a secure and custom fit. Easy Installation : Mounts directly to the trigger guard of your pistol for fast, hassle-free setup. Ambidextrous Controls : On/off button accessible from both sides, with a 5-minute auto shut-off for battery conservation. Long Battery Life : Offers over 6 hours of continuous use on a single battery. Laser Range : Effective up to 25 yards in daylight and visible up to 1 mile at night. Adjustable : Easily adjust windage and elevation for precision aiming. LED Light Color : Red. Battery Life (Constant) : 6+ Hours. Material : High Strength Thermo Molded Polymer. Range : Up to 25 yards in daylight / 1 mile at night. This laser sight enhances accuracy and response time, making it an excellent addition to your everyday carry kit.