The ornamental design for a riflescope, as shown and described.
FIG. 1 is a front, top and right side perspective view of a rifle scope showing our new design;
FIG. 2 is a rear, top and left side perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is an enlarged right side view thereof; and,
FIG. 7 is an enlarged view of the portion indicated by line 7-7 in FIG. 1.
The features shown in broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. The dot-dashed lines define the boundaries of the claimed design and form no part thereof.