The Talley Aluminum 1" Screw Lock Detachable Rings for CZ 550 and 557 rifles are designed for dovetail setups, offering a secure and stable mounting solution. Made from high-quality aluminum, these rings provide exceptional strength and durability. The screw lock design ensures a tight and reliable fit, while the detachable feature allows for easy removal and reattachment of your scope. With a height of .410 inches, these rings are perfect for shooters seeking flexibility and convenience in their scope mounting system. Talley Manufacturing Talley Aluminum 1" CZ 550, 557 Screw Lock Detachable for Dovetail RH 1CZS550