The ornamental design for a compactfirearmscase, as shown and described.
FIG. 1 is a perspective view of the inventive design.
FIG. 2 is a front view of the invention in FIG. 1.
FIG. 3 is a back view of the invention in FIG. 1.
FIG. 4 is a left view of the invention in FIG. 1.
FIG. 5 is a right view of the invention in FIG. 1; and,
FIG. 6 is a bottom view of the invention in FIG. 1.
The broken lines showing a firearm stencil and other portions of the case are for the purposes of illustrating environment and form no part of the claimed design.