Featuring a rigid, lightweight design, our Ultralight 1" Standard Scope Mount complements many high-end optic platforms. This scope mount is designed to fit AR type upper receivers with Mil-Spec 1913 Picatinny rails and features a cross-slot keyway that offers excellent recoil protection.Our Ultralight Scope Mounts free you from unnecessary bulk, providing one of the lightest mounts in the industry.Specifications:Made in AMERICA/th>YesFinishAnodized BlackMaterial6061 T6 extruded aluminum constructionScope Ring Size1"Scope Mount ProfileStandardWeight3.07ozOtherDesigned for AR type upper receivers, Screw Torque - 15 in-lbs