The Warne Mfg M673M is a premium product from the Warne Tactical Rails line. Crafted from solid steel, these rails come in standard and 20 MOA configurations. The uniqueness of the Tactical Rail lies in its versatility - It accommodates both Picatinny and standard Weaver style rings. This flexibility guarantees a robust and accurate platform for mounting optics.The Tactical Rail also boasts cross slots designed according to the 1913 Mil-Spec style, ensuring further precision and reliability. Installation is straightforward, with bases that sturdily mount to your firearm. For optimum performance, it\'s recommended to use T-15 Torx style screws and apply 25 in/lb. of torque.