Crimson Trace Laserguard Sight Black - Compact For Glock 19/23/25 and Similar. The Crimson Trace G series laserguards for Glock handguns are the first user installed Glock laser system that meets Crimson Trace's strict standards for performance. The Crimson Trace G series laserguards feature instant activation proven durability extended battery life user adjustability and are fully compatible with popular white light systems. Specifications for Crimson Trace Laserguard for Glock 19/23/25/26/27/28/32/33/36/38/39 LG436: Manufacturer: Crimson Trace Color: Black Beam Color: Red Laser Output: 5 mW Wavelength: 633 nm Maximum Range: 50 ft Battery Type: 1/3N Lithium 357 Silver Oxide Battery Life: 2+ hours Battery Quantity: 2 Reticle: Dot Water Resistance Level: Water Resistant Gun Make: Glock Gun Model: Glock 23 Glock 19 Glock 25 Length: 3 in Width: 1 in Height: 1 in Weight: 4 oz Fabric/Material: Polymer/Rubber Combination Condition: New Mount Type: Trigger Guard Mount Adjustability: Adjustable Features of the Crimson Trace Laserguard for Glock Gen 3 and Gen 4 Models Laserguard fits both Gen 3 and Gen 4 Glock pistols Package Contents: Crimson Trace Laserguard for Glock 19/23/25/26/27/28/32/33/36/38/39 LG436 Third Generation 19 23 25 26 27 28 32 33 36 38 39. GEN4 19 23 26 27 32 33. GEN5 19. Does NOT fit 36FGR What firearm models does the manufacturer say Crimson Trace Laserguard for Glock 19/23/25/26/27/28/32/33/36/38/39 LG436 is compatible with? The manufacturer suggests that Crimson Trace Laserguard for Glock 19/23/25/26/27/28/32/33/36/38/39 LG436 is compatible with Glock 19 Glock 23 Glock 25Crimson Trace LG-436: Laserguard Sight Black - Compact Fits Glock 19/23/25 and Similar