The ornamental design for a periscope for a barrel of a paintball or the likerifle, as shown and described.
FIG. 1 is a reduced environmental view of the periscope for a barrel of a paintball or the like rifle showing my new design with a person behind a protective barrier with their rifle engaged in a paintball or the life game.
FIG. 2 is a perspective view thereof;
FIG. 3 is a top view thereof, with the rifle barrel shown in phantom;
FIG. 4 is a bottom view thereof;
FIG. 5 is a side elevational view thereof, the opposite side view being a mirror image thereof; and,
FIG. 6 is another side elevational view thereof, the opposite side view being a mirror image thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.