and here is the 8 bore gun

Our largest swivel gun! "2 Pounder"

36 inches long, weighs 210 lbs, comes with a yoke mount. (yoke weighs 34 lbs)

1.75 inch bore (Golf ball size)
Cartridge version will fire 4, 8 or 10 gauge blanks!
Comes with adapter to fire 10 gauge blanks.
Polished barrel
Cartridge firing $ 3400
http://www.cannon-mania.com/Pirate-cannon.htm