Introducing Optilock Scope Mount Rings and Bases, meticulously crafted from solid steel for flawless compatibility with Sako's integral receiver scope mount rails, ensuring optimal scope alignment. These rings feature a 1" Xtra Lo ring type with a tube diameter of 25.4/26mm and an extra-low mount height of 28.5mm. They accommodate scopes with an outer diameter ranging from 51mm to 59mm. Finished in a sleek blued coating, these scope mount rings and bases offer both precision and durability for your shooting needs.