The GLOCK OEM rear sight tool delivers precision and reliability for all GLOCK models, including 9mm, 10mm, .40, .45, and others. Designed for professional armorers and enthusiasts alike, this tool ensures effortless installation and adjustment of rear sights. Built with exceptional durability, the GLOCK ST05161 is compatible with Gen4, MOS, and a wide range of models from G17 to G43. It simplifies the sighting process, providing a secure fit and optimal performance. Perfect tool for GLOCK armorers Fits all GLOCK models Equip yourself with the GLOCK ST05161 for dependable sight adjustments.