The ornamental design for a doorhorizontalrailextrusion, as shown and described.
FIG. 1 is a top perspective view of a door horizontal rail extrusion
showing our new design, the door horizontal rail extrusion is broken in
the center to disclose indeterminate length;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top perspective view of a second embodiment of the door
horizontal rail extrusion showing our new design; and,