LaserMax UNI - ES Red Rail Mount Laser

Give yourself the decisive advantage in a potentially lethal situation with this Rail-Mounted Laser from LaserMax. The high-visibility (5mW) pulsating red-orange beam gives you instant awareness of muzzle direction. Can be used outdoors from dusk till dawn, or indoors around-the-clock. External design and built-in extra rail allows you to keep all your rail space. Meets or exceeds both Mil-Spec and Homeland Security durability test standards. Installation takes only minutes. If you can field-strip your Glock, you can install or remove your LaserMax sight. No gunsmithing required. The external rail-mounted laser comes permanently aligned from the factory for center-of-mass accuracy at 20 yards (3" POA) and will never drift out of alignment. No need to re-zero after changing batteries. Adjustable windage and elevation setting for precise alignment. Operates on readily availabl.