.58 caliber Percussion, 40" Rifled Barrel, Single Trigger, Unfinished in the White and unfinished walnut stock. Traditions 1861 Springfield Musket Kit is an authentic, true reproduction. With high quality, premium finish on the wood and metal as well as hand-oiled stocks, this kit is perfect for parents and children, groups, or other organizations to do together. This kit is approved by the North-South Skirmish Association (N-SSA). The 1861 Springfield was the most widely used weapon during the Civil War. It was favored due to the reliability, accuracy, and range this rifle provided. It was the first rifled shoulder weapon to be produced on such a large scale. One of the best ways possible to get a real hands-on muzzleloading experience is to build it yourself! Traditions offers a complete line of muzzleloader rifle and pistol kits that are pre-assembled at the factory to ensure proper fit and ease of assembly. These kits are the perfect project for families to build together or to help pass those long winter nights. Easy to read instructions guide you through the building process to a finished product. There is no greater feeling of accomplishment than knowing you built the rifle or pistol you enjoy shooting so much! Don't forget to also purchase Traditions Stock Finishing Kit and Liquid Blue to finish your rifle build!