LG-637G Green Lasergrips are a rear-activated green laser sight for GLOCK Full-Size pistols (Third Generation 17, 17L, 22, 24, 31, 34, 35, 37, Gen4 17, 22, 31, 34, 35, 37 and Gen5 17). Featuring Crimson Trace's famed Instinctive Activation, which allows...