US Civil War Signal Cannon. Barrel made from the original 1863 US Navy pattern and marked as such. Barrel is made of ductile iron or naval bronze with a one inch bore. The barrel is 16.5 inches long. Overall length of barrel and carriage is 30 inches. Wheels are 14 inches tall. Carriage is powder coated aluminum. Available as barrel only or with carriage. Weight of barrel 20 lbs. Total weight with carriage is 30 lb. This cannon is safe to fire! Made in Ohio.