LaserMax Green Guide Rod Laser for Glock 17/17 MOS/34 Gen 5, Black - LMSG517G

This is a 5mW green laser sight (520nM wavelength) designed as a guide rod assembly for Glock 17, 17 MOS, and 34 Gen 5 pistols. The laser produces a 0.63" dot at 20 yards with an effective range of 50 meters and uses a 393 battery. It mounts directly into the guide rod for a low-profile installation without requiring adjustments.