This Kensight Glock Rear Sight is Fully Adjustable for both Windage and Elevation, and is an excellent upgrade for a Glock handgun that's going to be used for competitive shooting. Unlike many other aftermarket adjustable rear sights, Kensight's rear sight body sits flush with the rear of the slide with Zero Overhang, resulting in a clean looking installation that won't be prone to snag on gear or clothing during the draw stroke. All of Kensight's rear sights are Wire-EDM machined from 4140 Chrome Moly Steel that is then heat treated to a hardness of RC 38-40, ensuring tight part-to-part fit and long-lasting durability. Click-adjustments are positive and precise, allowing for reliable and consistent point of impact changes. This Glock Rear Sight is equipped with a 45 Degree Beveled Blade that is Fully Serrated for reduced glare, and offers an uncluttered sight picture that helps a shooter to quickly acquire and maintain focus on the front sight post. The Beveled Blade profile is a g...