The ornamental design for a riflescopesaddle, as shown and described.
FIG. 1 is an isometric view of the riflescope saddle shown in the context of a full riflescope;
FIG. 2 is an isometric view of the riflescope saddle;
FIG. 3 is a rear plan view;
FIG. 4 is a left side plan view (the right side being a mirror image thereof);
FIG. 5 is a front plan view;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom view.
Any elements shown in dash dot lines form no part of the claimed invention in this application, and are instead included to show environmental aspects of the claimed invention. The broken line adjacent to the shaded portions forms an unclaimed boundary of the design.