RUGER-57 OAP BURRIS & VORTEX 90720 | OPTIC ADAPTER PLATE Manufacturer Model Number: 90720 Manufacturer: Ruger Model: Ruger-57 Optic Adapter Plate Type: Accessory-Scopes Item Type: Accessory Finish: Black Shipping Weight: 0.05 Feature: Fits Burris & Vortex Optic Adjustable Objective: false Optic Reticle Illuminated: false