Foxtail Precision Red Dot Adapter Plate is designed for Glock MOS optics-ready pistol platforms. It features a Holosun 509T footprint mount type and includes mounting hardware. Precision-machined from 7075 aluminum with a black anodized finish, it delivers a secure rail interface and reliable optic attachment for handgun applications. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.