Leupold Cross-Slot mounting systems feature Weaver-style rings that work with both Weaver or Picatinny rails with 1-piece and 2-piece bases available for many popular rifles. This model is designed to fit any riflescope with 1" maintube and is ideal for standard to magnum calibers. Product Specifications Finish: Matte Material: Steel Base Cant: No Ring Height Style: High Ring Diameter: 1 in Ring Height: .98in Weight: 5.6 oz