Product DescriptionThe Weaver Mounts .22 Tip-Off Adapter Base (TO-9S) lets you use .22 tip-off mounts on rifles that are not factory-dovetailed. Engineered for the Ruger 10/22 receiver, this one-piece aluminum base provides a Weaver-style rail for mounting optical sights. It installs using the factory drilled and tapped holes and includes mounting hardware, delivering a sure, tight fit for reliable performance.Product Highlights Converts Ruger 10/22 receiver to a Weaver-style mounting surface Allows .22 Tip-Off rings to be used on non-factory dovetailed rifles One-piece aluminum construction for durability with minimal added weight Silver finish complements stainless and silver firearms Mounting hardware included for straightforward installation Specs Product Type: Tip-Off Adapter Base / Scope Base Series: TO-9S Base Type: One-piece Material: Aluminum Finish: Silver Rail Style: Weaver Firearm Fit: Ruger 10/22 Compatibility: Designed for use with .22 Tip-Off rings Mounting: Uses factory drilled and tapped receiver holes; hardware included UPC: 076683480095 Manufacturer Part Number: 48009 Brand: Weaver Mounts Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.