you need a picatinny rail budsgunshop.com/search.php/q/hlpa001 to mount the scope rings on for a youth I would just go with the rail and a red dot as its a lot of fun

Hi Robert and welcome. You would want the Picatinny Rail here : https://henryoutfitters.com/collections/rifle-parts/products/rifle-scope-mounts?variant=32751128051772 ---------- And Medium Scope Rings here : budsgunshop.com/product_info.php/products_id/711013787/4-hole+tactical+picatinny+ring+medium+matte+black+1+inch

Gotcha right below!!
budsgunshop.com/search.php/q/hlpa001

Hi Robert, you want this picatinny rail for a base budsgunshop.com/search.php/q/hlpa001 ,
Available here >>> https://henryoutfitters.com/collections/rifle-parts/products/rifle-scope-mounts?variant=32751128051772 ,
Then you can use any scope rings (or mount a red dot) that attaches to a pic rail.
Stay safe & have a great day!