LG-639 Lasergrips® are a rear-activated laser sight for GLOCK Compact pistols (Third Generation 19, 23, 25. 32. 38, Gen4 19, 23, 32, and Gen5 19). Featuring Crimson Trace’s famed Instinctive Activation™, which allows the laser to be activated with a normal firing grip, the LG-639 includes a Master On/Off Switch for completely powering down the unit. User-installed in moments by attaching securely to the gun frame, this laser sight is fully adjustable for windage and elevation. Provides 4 hours of run time with (2) included 2032 Lithium Batteries.
| User Guide | Installation |
Notice for California consumers:
⚠ Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Specs
- Activation Location Rear Activation
- Activation Type Instinctive Activation
- Attachment Grip Attachment
- Beam Intensity 5mW peak, 633nm, Class 3R red laser
- Dot Size Approx. 0.50″ at 50′
Fit Notes
Fits GLOCK Third Generation 19/23/25/32, Gen 4 19/23/32, and Gen 5 19 (Will NOT fit 19X):
Instinctive Activation
Unique to Crimson Trace products, the LG-639 features a rear Instinctive Activation button for immediate deployment of the laser sight.
Bright Green Beam
The CMR-206 offers a bright 5mW5mW peak, 515-532nm, Class 3R green laser. Green offers excellent visibility in virtually all lighting conditions. Offers 2 hours of battery life from a single 1/3N lithium battery.
Windage and Elevation Adjustments
The LG-639 is factory sighted at 50′ but is infinitely user-adjustable for windage and elevation with supplied tool.


