Ruger-57 Optic Adapter Plate (JPoint, Shield, Sig)

This Ruger-57 Optic Adapter Plate permits mounting approved miniature red dot sights to the slide of the Ruger-57 pistol. It is a factory Ruger accessory manufactured to accept specified MRDs and to provide a secure mounting interface for optics by following the sight maker's mounting specifications (sight not included).

Key Specifications

• Compatible with JPoint MRD, Shield RMS and Sig Sauer ROMEOZero style red dot sights for the Ruger-57 pistol.
• Constructed from 6061-T6 aircraft aluminum for a balance of strength and weight.
• Finished with a matte black hard coat for corrosion resistance and reduced glare.
• Mounting hardware includes two #6-32 screws for securing the adapter to the slide.
• Recommended installation torque is 30–50 in-lbs using a Torx T-15 driver (driver not included).
• Includes extra screws intended for JPoint; Shield RMS optics should fit the base without modification.
• Precision CNC machined to Ruger factory specifications for consistent fit and alignment.
• Designed specifically for use on the Ruger-57 pistol as a factory accessory.
• Made in the USA as a genuine Ruger factory accessory.

The Ruger-57 Optic Adapter Plate delivers a practical, factory-backed solution for adding a compatible red dot to your Ruger-57 pistol slide. Its machined aluminum construction and hard coat finish provide a durable mounting surface while the included hardware and clear installation torque guidance make installation straightforward for gunsmiths and experienced owners following the sight manufacturer's instructions. This adapter simplifies optic integration for target, range, or everyday carry configurations where a miniature red dot is desired.