Spray Gun

FIG. 1 is a front isometric view of a spray gun showing our new design; FIG. 2 is a rear isometric 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; and, FIG. 8 is a bottom view thereof. The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The contrast in shading represents a contrast in appearance only and does not represent any particular color, material, texture, or finish. The broken lines depicting the remainder of the spray gun form no part of the claimed design.