Upgrade your Glock pistol's accuracy and sight picture with the precision XS Sights Fiber Optic setup. Featuring a serrated rear notch and steel front post installed with a bright fiber optic rod, these sights allow for fast target acquisition in various lighting conditions. The CNC-machined components ensure a perfect fit and co-witness with Glock factory and aftermarket sights. Whether you're training at the range or competing, the fiber optic's glow makes sight alignment instinctive for quick follow-up shots. Long-lasting and easy to install, the XS Sights upgrade is a simple way to gain an edge with your Glock pistol.