Warne Vapor Rimfire Rings Matt Black 1 in. High Precision CNC machined aluminum construction;Lightweight vertically split ring design;Mil-Spec hardcoat anodized matte black finish;Fits 3/8" and 11 mm dovetail receivers;Fits 1" scope tubes;Torx-style ring screws;High ring height;Compatible with many rimfire riflestable.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