The ornamental design for a cover for an adhesive dispensing gun, as shown and described.
FIG. 1 is a front perspective view of the cover for an adhesive dispensing gun according to the invention.
FIG. 2 is a front view of the cover for an adhesive dispensing gun according to the invention, the rear view being a mirror image thereof.
FIG. 3 is a left side view of the cover for an adhesive dispensing gun according to the invention.
FIG. 4 is a right side view of the cover for an adhesive dispensing gun according to the invention.
FIG. 5 is a top view of the cover for an adhesive dispensing gun according to the invention; and,
FIG. 6 is a bottom view of the cover for an adhesive dispensing gun according to the invention.
Any elements shown in dash-dot lines form no part of the claimed invention in this application, and are instead included to show environmental aspects of the claimed invention.