The ornamental design for a riflestock, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a right side elevation view of a rifle stock showing my new design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a left side lower perspective view thereof;
FIG. 4 is another left side lower perspective view thereof;
FIG. 5 is a right side lower perspective view thereof;
FIG. 6 is another right side lower perspective view thereof; and,
FIG. 7 is a right side upper perspective view thereof.