Build-It-Yourself Cannon Kits are one of the best ways to get a real hands-on experience! With easy step by step instructions, these kits are simple to assemble. Great for families, groups, and clubs to do together. When finished, you will have a fully functional cannon that you can use or display!The Mountain Howitzer Cannon is a great addition to any Civil War enthusiast's collection. This mini cannon is reminiscent of the larger version used during various wars but most notably during the Civil War. The Transitions replica is smaller, lighter, and fully functional. .50 caliber. FeaturesHardwood Carriage.50 Caliber6.75" Smoothbore Barrel.490 Round Ball Diameter6" Wheel Diameter