Leupold ringmounts provide a high-quality alternative to manufacturer-supplied mounts, offering a no-tap mounting solution for most .22 rimfire rifles with 11mm, 13mm or 3/8'' dovetail rails. This model is specifically designed to fit the CZ 550, ensuring a secure and precise fit. Machined from solid steel, these rings deliver superior integrity and tighter tolerances for dependable performance. As the essential link between your scope and firearm, Leupold mounts are built to be as rugged and reliable as the optics they support. With a wide variety of mounting systems to choose from, you'll find the perfect match for your firearm and shooting style. Made in the USA and backed by a lifetime guarantee, Leupold mounts are designed to endure a lifetime of use in the field.