Foxtail Precision Red Dot Adapter Plate is designed for Glock 43X / 48 MOS and Springfield OSP optics-ready pistol platforms. It features a Holosun 407K / 507K footprint mount type with a height of 0.10 and includes mounting hardware. Precision-machined from 7075 aluminum with a black anodized finish, it delivers a secure rail interface and optic attachment. 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.