Product DescriptionThe Weaver .22 Tip-Off Adapter Base TO-1 is designed to let shooters use .22 Tip-Off mounts on rifles that do not come with factory dovetails. Built from durable aluminum with a gloss black finish, this adapter provides a secure, tight fit for dependable performance. It fits British .303 rifles with Enfield/Lee-Enfield actions, accepts Tip-Off rings only, and is intended for 3/8" grooved receivers. Installation requires drilling and tapping.Product Highlights Converts non-dovetailed rifles to accept .22 Tip-Off mounts Durable aluminum construction with gloss black finish Fits British .303 Enfield/Lee-Enfield actions Requires drilling and tapping for installation Optimized for 3/8" grooved receivers; accepts Tip-Off rings only Specs Material: Aluminum Finish: Gloss Black Model: TO-1 (.22 Tip-Off Adapter Base) Compatibility: British .303 with Enfield action; Lee-Enfield Receiver Groove: 3/8" Ring Compatibility: Tip-Off rings only Installation: Must be drilled and tapped UPC: 076683482037 Manufacturer Part Number: WVR48203 Brand: Weaver 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.