The ornamental design for a pistolstock, 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 left side elevation view of a pistol stock showing my new design, the right side elevation view being a mirror image thereof;
FIG. 2 is an upper left side perspective view thereof;
FIG. 3 is a lower left side perspective view thereof;
FIG. 4 is an upper forwardly left side perspective view thereof;
FIG. 5 is an upper forwardly right side perspective view thereof; and,
FIG. 6 is a lower right side perspective view thereof.