Other Details Manufacturer: Ruger / Sturm, Ruger & Co. Manufacturer Part Number: 90281 Adjustable Objective: False canDropship: True Color: Silver Country of Origin: US Description: Sold Individually Dimension: 1.10 X 3.05 X 5.55 Drilled and Tapped: False Finish: Stainless Illuminated Reticle: False Material: Steel Model: Standard Product Type: Accessory-Rings/Mounts/Bases Scope Cover Included: False Size: 1" Subcategory: Rings Tube Diameter: 1" Tube Size: 1"