AmeriGlo Glock Specialty Rear Sight Features The Ameriglo Specialty Rear Sight is a dedicated iron sight built to replace the factory rear sight on compatible Glock pistols. Its square-notch protector design shields the rear blade from snagging on holsters clothing or gear during daily carry or duty use. The .256 sight height and .165 square notch are sized to work with a proper sight picture helping shooters achieve a consistent repeatable alignment shot after shot. This straightforward design favors durability and a fast clear sight picture over added complexity. Finished in a serrated black that reduces glare the rear sight helps the eye lock onto the notch quickly under varied lighting without the distraction of a shiny or reflective surface. Because it is a direct factory-style replacement installation is straightforward for anyone comfortable servicing their own pistol sights. The Ameriglo Specialty Rear Sight fits the Glock 42 43 43X and 48 models giving owners of these compact and subcompact pistols a simple way to refresh worn factory sights. It is a practical no-frills upgrade for shooters who want a reliable iron sight solution for everyday carry or range work. AmeriGlo Glock Specialty Rear Sight Specifications Manufacturer: AmeriGlo Model: Specialty Rear Sight for Glock Type: Iron Sight Compatible Hosts: Glock 42 Glock 43 Glock 43X Glock 48 Sight Height: .256 Notch Width: .165 Square Notch Finish: Serrated Black Color: Black Available At: GrabAGun