Volley gun
Two notable artillery-sized volley guns were developed in the mid-19th century, although neither was particularly successful in practice. Developed in the 1860s and based on an 1850s design by a captain Fafschamps, the French mitrailleuse is an example of a multi-barreled volley gun that could fire all of its barrels simultaneously or sequentially over a short period of time. Also developed in the 1860s, General Origen Vandenburgh of the New York State Militia designed a weapon that had eighty five parallel .50 caliber rifle barrels. After failing to sell the weapon to the United Kingdom, he reportedly sold a small number to the Confederate States of America, although there is no record that they were actually used. One Vandenburgh gun was located at Fort Fisher, North Carolina, and another reportedly at Salisbury, NC.
German military rifles
The Dreyse needle-gun ("Nadelgewehr") was a military breechloading rifle, famous as the arm of the Prussians, who adopted it for service in 1848 as the Prussian Model 1848. Its name comes from its needle-like firing pin, which passed through the cartridge case to detonate a percussion cap at the base of the bullet. The Dreyse rifle was also the first breech-loading rifle to use a bolt-action to open and close the chamber.