The ornamental design for a gunstoragedevice, as shown and described.
FIG. 1 is a perspective view of the gun storage device;
FIG. 2 is a second perspective view of the gun storage device;
FIG. 3 is a top view of the gun storage device;
FIG. 4 is a first end view of the gun storage device;
FIG. 5 is a second end view of the gun storage device;
FIG. 6 is a first side view of the gun storage device;
FIG. 7 is a second side view of the gun storage device;
FIG. 8 is a bottom view of the gun storage device; and,
FIG. 9 is a perspective view of the gun storage device, the dashed line is illustrative of a potential cut-away portion and is not claimed as part of the design.
Canted universal elastic polymer holster hanger with indistinguishable belt lock and flex arm to conceal holster, to produce shirt-engaging flex cam surface, and to produce flexed gun securing surface