Nikon’s BLACK cantilever style mounting platform is designed for strength, precision and proper riflescope mounting position on AR/MSR rifles. These precision-machined one-piece mounts offer perfect alignment and maximum surface contact area for your 30mm tube riflescope. Mil-Spec1/2” hex nut clamp accepts 65 in/lb of torque.
Height (top of rail to center of scope tube): 1.44"
Overall Length: 5.19"
Length Between Rings: 2.25"