The Ruger 90410 refers to a set of scope rings that includes both a front and rear ring. These products from Ruger have been constructed using either alloy or stainless steel, offering long-lasting durability. Depending on your requirements, the rings can accommodate either 1" or 30mm tube diameters. The scope rings also boast a variety of finishes, with options including blued, stainless or the unique Ruger's Hawkeye Matte blued.