Crimson Trace For Glock Gen 3 Lasergrip Rear Activation Black Fit 19 23 25 32 LG-639. Crimson Trace constructed these Red Laser Sights with a durable polymer grip and rubber overmold activation pad for enhanced ruggedness. With just two 2032 lithium batteries you get at least 4 hours of runtime from the Crimson Trace Glock Gen 3 5 mW Lasergrip. This device is incredibly easy to install and requires no serious modifications to your firearm. Use the Master On/Off switch to instantly activate or deactivate the device and both the windage and elevation are adjustable to ensure pure precision. Acquire targets with lightning-fast speed when equipped with the Crimson Trace Glock Gen 3 LG-637/LG-639 Lasergrip. Specifications for Crimson Trace Rear Activation Glock Gen 3 Lasergrip: Manufacturer: Crimson Trace Color: Black Beam Color: Red Laser Output: 5 mW Wavelength: 633 nm Maximum Range: 50 ft Attachment Type: Grip Attachment Battery Type: CR2032 Battery Life: 4+ hours 4+ hours Battery Quantity: 2 Reticle: Dot Water Resistance Level: Water Resistant Gun Make: Glock Length: 3 in Width: 1 in Height: 1 in Weight: 4 oz Fabric/Material: Polymer/Rubber Combination Included Accessories: No Condition: New Model Generation: 4 3 Features of Crimson Trace Rear Activation Glock Gen 3 Lasergrip: Laser springs to life instinctively as the weapon is held naturally Master On/Off switch Over 4 hours of battery life User adjustable windage and elevation Package Contents: Crimson Trace Rear Activation Glock Gen 3 Lasergrip What firearm models does the manufacturer say Crimson Trace Rear Activation Glock Gen 3 Lasergrip is compatible with? The manufacturer says that Crimson Trace Rear Activation Glock Gen 3 Lasergrip is compatible with Glock 23 Gen 3 Glock 34 Gen 3 Glock 35 Gen 4 Glock 37 Gen 3 Glock 31 Gen 3 Glock 31 Gen 4 Glock 34 Gen 4 Glock 37 Gen 4 Glock 19 Gen 3 Glock 35 Gen 3 Glock 19 Gen 4 Glock 23 Gen 4 Glock 25 Gen 3 Glock 19 Gen 5 Glock 32 Gen 4 Glock 38 Gen 3 Glock 32 Gen 3 Glock 17L Gen 4 Glock 37 Glock 17Crimson Trace LG-639: Fits Glock Gen 3 Lasergrips Rear Activation Black Fit 19 23 25 32