Fastening device and vehicle

Fastening device for securing a weapon station (2) on the outer contour (3) of a particular military vehicle having a holder (4) for holding the weapon station (2) and a base (5) for connecting the holder (4) to the vehicle, wherein the support (4) pivoted to the base (5) is hinged, characterized in that the holder (4) and / or the base (5) is annular.