Just received a couple of these little rifles. Walnut stock and polished stainless is an excellent combo, the checkering on these examples is great as well!
https://www.westernmetal.ca/product/ruger-american-rimfire-iron-sights-stainless-walnut-22lr-f-rg-8359/
https://www.westernmetal.ca/product/ruger-american-rimfire-iron-sights-stainless-walnut-22lr-f-rg-8359/