Ruger 57 Optic Adapter Plate | JPoint/Shield/Sig | 90723

This Ruger factory optic adapter plate allows the installation of select micro red dot sights on the Ruger-57 pistol. It provides a thin, secure mounting solution machined for fit and repeatability and finished in a matte black hard coat for corrosion resistance. The plate accepts specified JPoint, Shield RMS and Sig Sauer ROMEOZero style optics and is supplied with mounting screws for installation.

Common applications include outfitting a Ruger-57 for everyday carry (EDC) style setups and for precision target or competition shooting where a low-profile red dot improves sight acquisition and follow-up shots.

Product Specifications

• The brand is Ruger / Sturm, Ruger & Co..
• The manufacturer part number is 90723.
• The product name is Ruger-57 Optic Adapter Plate.
• The adapter supports JPoint MRD, Shield RMS, and Sig Sauer ROMEOZero style red dot sights.
• The plate is machined from 6061-T6 aircraft aluminum.
• The finish is a black matte hard coat.
• The adapter plate measures 1.700 inches long x 0.975 inches wide.
• Mounting hardware includes two #6-32 screws and extra screws intended for JPoint installations.
• Recommended screw torque is 30–50 in-lbs when securing the plate.
• The package color is listed as Black Anodized.
• Rings are not included with this adapter plate.
• This item is sold in a quantity of 1 unit per box.
• The product series is listed as Optic Adapter Plate.
• The weight as listed in some sources is 0.02 oz (see notes for discrepancy).
• The UPC is 736676907236.

The Ruger-57 optic adapter plate is a straightforward factory accessory for shooters who need to fit a compatible micro red dot to the slide. Its CNC-machined construction and hard coat finish make it a durable, low-profile option for carrying or competition setups where a small, reliable sighting solution is preferred.