The Tapco 10/22 Scope Base is purpose-built to provide a secure optic mounting solution for Ruger 10/22 rifles. This accessory offers shooters a 20 MOA base for improved scope adjustment flexibility, with a durable black finish that blends well with the rifle platform. Designed for Ruger 10/22 rifles, 20 MOA elevation Durable black finish resists wear Includes integrated bubble level This scope base is a reliable choice for enhancing optic mounting and adjustment on your Ruger 10/22. Its dedicated fit and thoughtful design support consistent performance for precision shooting.