Originally Posted by Fuzzy
I'm not sure where you get 300 feet as a safety altitude. Seems rather arbitrary.
General maximum level range of an airsoft gun is 300ft
Fighting against gravity, and the fact the hop won't fire the BB in a straight line (since it's designed, and set by you, to work perpendicular to gravity), you're maybe looking at 200-250ft vertically?
So 300ft. Safe.