MANUFACTURER: Riton Optics FAMILY: Accessories MODEL: Ring Set TYPE: Accessory-Rings & Ring Mounts ITEM GROUP: Scope Rings FINISH: Matte FINISH TYPE: Black MAINTUBE SIZE: 34mm WEIGHT: 3.6 oz. SHIPPING WEIGHT: 0.31 lbs. ADDL INFO: Medium Ring Set ADDL INFO: Fits Picatinny or Weaver Rail ADDL INFO: Aluminum MFG MODEL NO: X334M UPC: 850041390673