Optimize your aiming precision with the GLOCK OEM Adjustable Rear Sight, designed for models 17, 19, and 34. Constructed from durable polymer, it incorporates a white contrast insert that enhances sight acquisition in various lighting conditions. This rear sight allows for manual adjustments in both elevation and windage, providing customizable shooting performance. Note that a mini screwdriver is not included for adjustments. Rear adjustable sight for precise aiming Compatible with GLOCK models 17, 19, and 34 Durable polymer construction White contrast insert for quick targeting Excludes G42/G43 compatibility Elevate your shooting skills with the reliability and accuracy of the GLOCK OEM Adjustable Rear Sight.