Spray Gun

FIG. 1 is a front, left and bottom perspective view of a spray gun showing my new design; FIG. 2 is rear, right and top perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; and, FIG. 9 is a front, left and bottom perspective view of the spray gun, shown in an environment of use. The broken lines in the drawings illustrate both portions of the article and environmental subject matter that form no part of the claimed design.