The pilot of the helicopter reported that he was taking a passenger up for a "hog hunt" flight. He added that he lifted off the ground, about 40 to 50 ft, and the passenger's gun became lodged in the cyclic control. He instructed the passenger to move his gun multiple times, but the passenger "seized up and panicked." The helicopter impacted the ground, and the fuselage and empennage sustained substantial damage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation. The pilot reported that it was the second hunt with the passenger and that he had provided a safety briefing before the accident flight. He added that, during the safety briefing, he discussed gun safety, when and where to shoot, and instructions on avoiding areas with the flight controls. He added that, as a safety recommendation, he will conduct a more thorough safety briefing, including an on-ground, engine-off cockpit simulation and a lesson on firearm safety.