Weapons expert shows difference between live rounds and dummy rounds u… CNN 0 78 03.07 20:30 https://www.youtube.com/watch?v=ei8wkDsxnaY + 7 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 7 Weapons expert shows difference between live rounds and dummy rounds used on movie sets