1" compact riser mount for  any flat top    One piece SEE THRU body Design    attaches TO flat top picatinny rails    Rise up to 1"    locks firmly in place with two screws. INSTALLS IN SECONDS    NO TOOLS NEEDED    8 SLOTS FOR YOU TO ADJUST FOR PROPER SCOPE POSITION    made by TOP quality aluminum ALLOY 6061    ANODIZED black finish    Takes standard PICATINNY OR Weaver rings    mOUNT overall LENGTH: 3 5/16"    WEIGHT: 3.5OZ