CZ 40087 CZ457 Dovetail CZ457 30mm Black Matte. 575 in Specifications for CZ 40087 CZ457 Dovetail CZ457 30mm Black Matte: Manufacturer: CZ-USA Finish: Matte Tube Diameter: 30 mm Fabric/Material: Aluminum Color: Black Mount Type: Dovetail CZ 40087...