The is a full scale reproduction model and weighs 275 pounds, overall length is 37 1/4", breech diameter, 7 5/8" and 6 7/8" at the muzzle. Trunnions are 2 3/4" X 2 1/4" long; 7 1/4" space between the trunnions. The barrel has a 1/4" vented steel liner with a welded backplate and a 2 1/4" bore. These barrels are iron castings that require final finishing to obtain a smooth finish. Shipped by truck with the shipping charges collect. Made in the USA. ARTILLERY RELEASE FORM REQUIRED. CAN BE DOWNLOADED FROM WEBSITE.