This is an old style 32 lbs ship cannon. It was a medium sized cannon used aboard larger sailing vessels. Powerful but not particularly accurate it was generally more effective at delivering short range broadsides.
The model is real world scale with the gun itself 2.6 meters in length.
Quad and Tris only Built to scale Parts Grouped and appropriately named Polygons - 10234 Vertices - 9993 Difuse, Bump and Gloss Maps (5120px X 5120px)