LaserMax Glock 19 IR Guide Rod Laser - Infrared SPECIFICATIONS BATTERY RUN TIME: 1 HR BRAND: LASERMAX CA PROP 65: YES COLOR: BLACK CONDITION: NEW LASER COLOR: INFRARED LIGHT TYPE: LASER MATERIAL: ALUMINUM WEIGHT: 0.76 OZ DESCRIPTION FOR GEN 1-3 MODEL 19, 23, 32, 38 Designed specifically for use in Glock 19, 23, 32, and 38 pistols, the LMS-1131IR replaces Glock's factory spring guide assembly with a high intensity infrared laser sighting system for advanced target acquisition. Easily user installed without the need for gunsmithing or special tools, the Guide Rod Laser is constructed with rugged, precision components including aircraft-grade aluminum and genuine Wolff springs. Pulses for superior visibility and faster identification Internal design does not restrict grip or holster selection Distinct ambidextrous ON/OFF switch reinforces safe firearm handling Proximity to the bore provides maximum POA/POI accuracy Guaranteed alignment ensures center of mass shots