FIG. 1 is a perspective view of an automatic spray gun in accordance with the present design;

FIG. 2 is a front view according to the present design;

FIG. 3 is a back view according to the present design;

FIG. 4 is a side view generally taken from the right side of FIG. 1;

FIG. 5 is a side view of the opposite side;

FIG. 6 is a top view of the present design;

FIG. 7 is a bottom view of the present design; and,

FIG. 8 is a reference view of the present design.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.