X-TAC 30MM RINGS MEDIUM BLK Manufacturer Model Number: 420162 Manufacturer: Burris Optics Model: Xtreme Tactical Rings Type: Accessory-Rings/Mounts/Bases Item Type: Accessory Finish: Black Shipping Weight: 0.45 Feature: 30mm Medium Ring Set Feature: 1/2" Height Feature: Fits Weaver or Picatinny Mount Optic Adjustable Objective: false Optic Reticle Illuminated: false