Free: Contests & Raffles.
unless you're interested in adding a rail https://www.talleymanufacturing.com/product/cva-cascade-picatinny-rail/I put one on my tikka and I think medium heigh rings, worked perfect for 50mm scope
just a lot more options on what you can do, things like quick release and tons of scope mounting optionsturns the top of your receiver into a picatinny rail, like an AR