Hi Mr Greasemonkey. I have a few friends who would like to see a demo. We have just the right location over water. I can supply the powder and shot. Perhaps next spring. Is this possible?
Punt gunning was also practiced on the Venetian lagoon, there they used a type of boat called a Sciopon, a low punt style boat. Some of the guns were huge up to 3" bore. It was banned there in the 1980's.