Mitrailleuse
A mitrailleuse (; from French "mitraille", "grapeshot") is a type of volley gun with multiple barrels of rifle calibre that can fire either multiple rounds at once or several rounds in rapid succession. The earliest true mitrailleuse was invented in 1851 by Belgian Army captain Fafschamps, 10 years before the advent of the Gatling gun. It was followed by the Belgian Montigny mitrailleuse in 1863. Then the French 25 barrel ""Canon à Balles"", better known as the Reffye "mitrailleuse", was adopted in great secrecy in 1866. It became the first rapid-firing weapon deployed as standard equipment by any army in a major conflict when it was used during the Franco-Prussian War of 1870–71. A steel block containing twenty-five 13 mm (.51 calibre) centre-fire cartridges was locked against the breech before firing. With the rotation of a crank, the 25 rounds were discharged in rapid succession. The sustainable firing rate of the Reffye mitrailleuse was 100 rounds per minute. The maximum effective range of the Reffye "mitrailleuse" was about 2000 yards; a distance which placed their batteries beyond the reach of Prussian Dreyse needle rifle fire. Reffye mitrailleuses were deployed in six gun batteries and were manned by artillery personnel. They were not infantry support weapons, but rather a form of special artillery.
History of weapons
As well as these advances in firearms and artillery technology, new repeating firearms began to emerge on the battlefield. As soon as matchlocks appeared, there were attempts to create non-muzzleloading firearms. Early attempts such as the Ferguson rifle proved to be too complicated for regular soldiers. By 1836 a German gunsmith Johann Nicolaus von Dreyse invented the Dreyse needle rifle, the first bolt-action rifle, which the Prussian Army adopted for service in 1848. In 1866 during the Austro-Prussian War after the decisive Prussian victory at the Battle of Königgrätz it was obvious that muzzle-loading rifles were ineffective in battle. Soon after, nations all around Europe began adopting breech-loaders and converting their existing service rifles to breech-loaders. Such rifles include the British Snider Rifle and the French Chassepot Rifle. These new rifles, along with the invention of the revolver (patented in 1836) and the advent of machine in the 1860s, displayed the need for the way battles were fought to change. However, it was only until the First World War that military leaders around the world adapted new tactics to employ these weapons.