LaserMax LMS1141P Guide Rod Laser Red Laser 5mW, 520nM Wavelength, Compatible W/Glock 17 Gen1-3/22 Gen1-3/31 Gen1-3/37 Gen1-3

Designed specifically for use in Glock 17/22/31/37 Gen1-3 pistols. The LMS-1141G replaces Glock's factory spring guide assembly with a high intensity green laser sighting system for advanced target acquisition. Easily user installed without the need for gunsmithing or special tools, the Guide Rod Laser is constructed with rugged, precision components including aircraft-grade aluminum and genuine Wolff springs.