Warne Maxima Vertical PA Scope Rings CZ 527 Matte Black 1 in. High Designed to fit CZ 527 (16 mm) dovetail;CZ specific recoil pin for positive engagement of ring to receiver dovetail;Rings securely mount around the scope using 4 Torx style T-15 socket cap screws;Permanently attaches to firearm&';s dovetail;Matte black finishtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4000 Product Group Code: 4000C Product Sub Group 1: 4000C2 Inactive: No