Ruger Optic Adapter Plate Ruger 57 OnePiece Aluminum Base for JPoint MRD Shield RMS

The Ruger 90723 Ruger-57 Optic Adapter Plate is a precision one-piece aluminum base designed to enable JPoint MRD and Shield RMS red dot sights on the Ruger-57 pistol, offering a stable, durable mounting option for fast target acquisition. CNC machined from 6061-T6 aircraft aluminum with a matte black hard coat finish, this adapter plate delivers strength and durability in a compact 1.700" long by .975" wide footprint, weighing just 0.2 ounces. Install is straightforward: place the adapter plate on the slide and secure with the two provided #6-32 screws, tightening firmly to 30-50 in-lbs with a Torx T-15 wrench. Attach the optic directly to the plate following the sight manufacturer's mounting specifications (sight not included). The design accommodates Shield sights without modification and includes extra screws intended for JPoint installation. Made in the USA, this Ruger factory accessory integrates seamlessly with the Ruger-57 platform, enabling reliable red dot performance while maintaining the pistol's slim profile and rugged durability for practical, fast-paced shooting scenarios.