Other Details Manufacturer: Tapco Manufacturer Part Number: TAP22052 Additional Feature 1: For Ruger 10/22 Rifles Additional Feature 2: Bentz Chamber Additional Feature 3: Fluted Barrel Adjustable Objective: False Barrel Length: 16.5" Caliber/Gauge: .22 LR canDropship: True Drilled and Tapped: False Finish: Stainless Steel Finish Type: Stainless Steel Illuminated Reticle: False Product Type: Accessory-Barrels Scope Cover Included: False