RINGS LIGHT PIC 30MM 12MM MATTE BLACK Manufacturer Model Number: XRC3012A23 Manufacturer: Riton Optics Model: Ring Set Light Picatinny Type: Accessory-Rings/Mounts/Bases Item Type: Accessory Finish: Matte Weight: 3.4 oz. Shipping Weight: 0.3 Feature: Ring Set 12mm Feature: Fits Picatinny or Weaver Rail Optic Maintube: 30mm Optic Adjustable Objective: false Optic Reticle Illuminated: false