TACTICAL RINGS 30MM 10MM MATTE BLACK Manufacturer Model Number: XRC3010T23 Manufacturer: Riton Optics Model: Tactical Ring Set Type: Accessory-Rings/Mounts/Bases Item Type: Accessory Finish: Matte Weight: 4.8 oz. Shipping Weight: 0.4 Feature: Ring Set 10mm Feature: Fits Picatinny or Weaver Rail Optic Maintube: 30mm Optic Adjustable Objective: false Optic Reticle Illuminated: false