LaserMax Guide Rod Laser Sight – Green – Glock 19-23-32-38 – Gen 1-3. All Packaging – Parts – Documentation in Like New Condition. Designed Specifically for use in Glock 19, 23, 32, and 38 Gen 3 Pistols. Replaces Glock’s Factory Spring Guide Assembly with a High Intensity Green Laser Sighting System. Easily User Installed without the need for Gunsmithing or Special Tools. LaserMax Slide Lock replaces Glock Slide Lock and Acts as an A. Also Allows to Choose between Constant or Pulsating Beam without Disassembly. Internal Design does not Restrict Grip or Holster Selection. Proximity to the Bore Provides Maximum POA/POI Accuracy. Guaranteed Alignment Ensures Center of Mass Shots. Laser Beam Color: Green. Laser Beam Output: 5mW. Factory Sighted at 20 yards.