Enhance your shooting precision with the Crimson Trace 01-5100-1 CTC DEF SER ACCU-GUARD Laser Sight designed specifically for GLOCK pistols.This state-of-the-art laser sight combines innovative technology with user-friendly features for maximum accuracy. Featuring Beam Lock Adjustments, the DS-121 allows for effortless calibration of windage and elevation, ensuring your shots are always on target.Switch activation for convenient useHigh-visibility red laser for precise aimingFactory sighted at 50 ft for immediate usabilityCompact .5 inch diameter laser dot at 50 feetAchieve unmatched accuracy and confidence with the Crimson Trace Accu-Guard Laser Sight.