Richard, I would recommend a 22 Rimfire calibrated scopes(depending on your price point) such as : budsgunshop.com/catalog/product_info.php/products_id/43932/Konus+Riflescope+2-7X32+w%2FBlack+Finish+%26+Rings & budsgunshop.com/catalog/product_info.php/pro
