LG-639G Green Lasergrips® are a rear-activated green 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-639G 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 2 hours of run time with (4) included 2016 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, 532nm, Class 3R green laser
- Dot Size Approx. 0.50″ at 50′
Fit Notes
Fits GLOCK Third Generation 19/23/25/32, Gen4 19/23/32, and Gen5 19 (Will NOT fit 19X):
Instinctive Activation
Unique to Crimson Trace products, the LG-639G features a rear Instinctive Activation button for immediate laser targeting.
Bright Green Laser
Unique to Crimson Trace products, the LG-639G features a rear Instinctive Activation button for immediate laser targeting.
Windage and Elevation Adjustments
This model is factory sighted at 50′ but is infinitely user-adjustable for windage and elevation with supplied tool.




