BRIEF DESCRIPTION OF THE DRAWINGS
Other distinctive features and advantages of the invention can be deduced from the following description of a preferred embodiment example, with the aid of the drawing. The figures show the following:
FIG. 1, a barrel of a shotgun with a sighting device according to the invention, in a partially cut side view;
FIG. 2, a sight rail of the sighting device shown in FIG. 1 in a partially cut side view;
FIG. 3, a rail body of the sighting device shown in FIG. 1 in a partially cut side view;
FIG. 4, a barrel of a shotgun with a barrel hook element in a side view;
FIG. 5, a cross-section along the line A-A of FIG. 4; and
FIG. 6, the rear part of the barrel with the barrel hook element in an enlarged, partially cut side view.