Start of lstUrls_of_images_in_html_descriptionProduct Number: 507310008802NDThis 5 round magazine works for the CZ512, CZ455, and CZ457 series rifles that are chambered in either 17HMR or 22WMRPolymer Magazine, Steel FollowerMulti-Caliber Compatible, 17HMR or 22WMRPolymer Magazines will work for 512/455/457 Series Rifles (Steel Magazines Do Not)5-Round CapacityEnd of lstUrls_of_images_in_html_description