The Ruger 90723 Ruger-57 Optic Adapter Plate is an essential accessory for enhancing the versatility of your Ruger-57 pistol, allowing for the seamless integration of JPoint MRD and Shield RMS red dot sights. Crafted from precision CNC machined 6061-T6 aircraft aluminum, this adapter plate boasts a robust matte black hard coat finish that ensures both strength and durability in demanding conditions. Measuring 1.700 inches long and 0.975 inches wide, it is lightweight at just 0.2 ounces, making it an unobtrusive addition to your firearm. Installation is straightforward; simply place the adapter plate onto the slide and secure it with the included #6-32 screws, tightening them firmly with a Torx T-15 wrench to the recommended torque specifications. The design accommodates Shield sights without modification, while the extra screws provided are specifically for the JPoint sight installation. This Genuine Ruger Factory Accessory is proudly made in the USA, ensuring quality and reliability for your shooting needs. Whether you are a competitive shooter or a recreational enthusiast, the Ruger-57 Optic Adapter Plate enhances your aiming capabilities, making it an ideal choice for those looking to improve their shooting accuracy and experience.