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The Ruger-57 Optic Adapter Plate supports the use of JPoint MRD. & Shield RMS red dot sights on the Ruger-57 pistol.
The plate is precision CNC machined from 6061-T6 aircraft aluminum with a matte black hard coat finish for strength and durability.
NOTE: Extra screws provided in the package are meant for installing the J-Point sight only. Shield sights should fit this base without modification.
The Adapter Plate is 1.700" long x .975" wide and weighs 0.02 ounces.
