SIGNATURE RINGS 30MM MED UDT UNIVERSAL DOVETAIL Manufacturer Model Number: 420578 Manufacturer: Burris Optics Model: Signature Rings Type: Accessory-Rings/Mounts/Bases Item Type: Accessory Finish: Black Shipping Weight: 0.3 Feature: 30mm Medium Ring Set Feature: Fits Universal Dovetail Bases Optic Adjustable Objective: false Optic Reticle Illuminated: false