The ornamental design for a portablestorage and displayrack for firearms, as shown and described.
FIG. 1 is a top, front, and right-side perspective view of a portable storage and display rack for firearms showing our new design;
FIG. 2 is a bottom rear and left-side perspective thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a left-side elevational view thereof, the right-side elevational view being a mirror image thereof; and,
FIG. 8 is a top, front, and left-side perspective view thereof, with the broken-line disclosure of a firearm, cable, and padlock being for illustrative purposes only and forming no part of the claimed design.