LaRue Tactical LT150 Aimpoint Comp M2 /M3 Flattop Rifle Scope Mount, 30 MM Rings Built-in watertight storage compartment for an extra battery Positions the center-line of the optic 1.7" above the top of the rail Precision-machined out of bar-stock aluminum and matte black anodized Comes complete with Quick Detach adjustment wrench, spare ring screw and instructions Made In America - #MAGA