Originally Posted by
cwheel
If you closely examine the crown of the muzzle ( might have to clean some of the paint off ) you would see the split where the liner was inserted. Fairly sure yours doesn't, and was intended to be a nice decorator display cannon. Some of the high end barrels will have a thick rifled alloy liner. Back in the Civil War, cannons were made from cast that was tightly controlled cast iron mix, bored and in some cases rifled. Loads for these guns took into account that they were of a cast material. That's not to say they weren't effective. Have fun with it, it looks nice, just don't overload it.
Chris