The ornamental design for a firearmaccompaniment, as shown and described.
FIG. 1 is a front perspective view of a firearm accompaniment showing my new design;
FIG. 2 is a front view of the firearm accompaniment;
FIG. 3 is a rear view of the firearm accompaniment;
FIG. 4 is a right side view of the firearm accompaniment;
FIG. 5 is a left side view of the firearm accompaniment;
FIG. 6 is a top view of the firearm accompaniment;
FIG. 7 is a bottom view of the firearm accompaniment;
FIG. 8 is another front perspective view of the firearm accompaniment; and,
FIG. 9 is still another front perspective view of the firearm accompaniment.
The broken lines of the Figures, including the shotgun shells of FIGS. 8 and 9, illustrate environmental structure and portions of the firearm accompaniment that form no part of the claimed design.