The trailer vehicle (1) has a lightweight shooting hide structure (2) formed from ship's plywood coated with an epoxy resin, provided with 4 screw props (8) at its corners and with fixed and pivoted supports for the hunter's arm and weapon, a V-frame tow coupling (3) provided at the front of the trailer vehicle. The shooting hide structure can be supported within the trailer vehicle on rollers (6) attached to its base.