The Warne Mfg M673M20MOA is a solidly built rail from Warne\'s line of Tactical Rails. They are skillfully machined from solid steel, available in both standard and 20 MOA designs. This Tactical Rail is versatile, enabling the utilization of either Picatinny or standard Weaver style rings. It also ensures a robust and accurate platform for mounting your optics. The cross slots of this rail incorporate the 1913 Mil-Spec design. The base securely affixes to your firearm using T-15 Torx style screws, with a recommended torque of 25 in/lb, ensuring a firm and secure fit for your accessory needs.