Maxima M673-20MOA Remington Short Action 20MOA – Machined from solid steel in both standard and 20 MOA configurations Warne Tactical Rails are designed around the Mil-Spec Picatinny style rail system and provide a strong and true platform for optics mounting. – Warne Tactical Rails allow the use of Picatinny or standard Weaver style rings. – Constructed of solid steel and machined in both standard and 20MOA configurations matte black only. – Cross slots feature the 1913 Mil-Spec design. – Bases securely mount to your gun with T-15 Torx style screws 25 in/lb. of torque recommended.