The ornamental design for a firearmstock, as shown and described.
FIG. 1 is a right, top, rear perspective view of an embodiment of a firearm stock showing our new design;
FIG. 2 is a right, top, rear perspective view of the firearm stock of FIG. 1;
FIG. 3 is a right side elevation view of the firearm stock of FIG. 1;
FIG. 4 is a left side elevation view of the firearm stock of FIG. 1;
FIG. 5 is a rear elevation view of the firearm stock of FIG. 1;
FIG. 6 is a front elevation view of the firearm stock of FIG. 1;
FIG. 7 is a top view of the firearm stock of FIG. 1; and,
FIG. 8 is a bottom view of the firearm stock of FIG. 1.
The shade lines in the Figures show contour and not surface ornamentation.
The broken lines showing portions of the design in all figures are included for the purpose of illustrating environment and unclaimed features and forms no part of the claimed design. The dot-dash broken lines showing portions of the design in all figures are included for the purpose of showing a boundary to areas marked with surface shading and forms no part of the claimed design.