Sight in on your target with the LaserMax LMS-G4-17G Guide Rod Laser Sight mounted on your GLOCK 17 (Gen. 4) pistol. Featuring a range of 20 yards by day and 300 yards by night, this sight produces a 0.31" dot at 7 yards and doesn't require gunsmithing for installation. LaserMax LMS-G4-17G Guide Rod Laser Sight Black - Scopes at Academy Sports
