
Crimson Trace LG-639 and 639G Lasergrips with Red Laser, Heavy Duty Construction and Instinctive Activation for Glock Compact Pistols, Defensive Shooting and Competition
BRIGHTNESS: Features a 5mW peak, 515-532nm, Class 3R visible green laser that is in conformance with and complies with 21 CFR 1040.10 with a max power output of 5mW for a Class 3R Green Laser - the brightest beam allowed by law RUNTIME: 2 hours of battery life that runs on (4) 2016 batteries (included) EASE OF USE: Rear activation button engages the laser immediately when the firearm is held in a normal firing grip - this model features a master ON/OFF switch for completely powering down the unit - user installed - no gunsmithing required
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