FIG. 1 is a perspective view of an ammunition pouch showing my new ornamental design;

FIG. 2 is a front view of the pouch shown in FIG. 1;

FIG. 3 is a rear view of the pouch shown in FIG. 1;

FIG. 4 is a right side view of the pouch shown in FIG. 1;

FIG. 5 is a left side view of the pouch shown in FIG. 1;

FIG. 6 is a top view of the pouch shown in FIG. 1;

FIG. 7 is a bottom view of the pouch shown in FIG. 1;

FIG. 8 is a perspective view with the overlapping flap disposed in a closed position;

FIG. 9 is a front view of the pouch shown in FIG. 8; and,

FIG. 10 is a rear review of the pouch shown in FIG. 8.

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