The blunderbuss is a 17th- to mid-19th-century firearm with a short, large caliber barrel. It is commonly flared at the muzzle to help aid in the loading of shot and other projectiles of relevant quantity or caliber.[clarification needed] The blunderbuss is commonly considered to be an early predecessor of the modern shotgun, with similar military usage. It was effective only at short range, lacking accuracy at long distances. A blunderbuss in handgun form was called a dragon, and it is from this that the term dragoon evolved. The term "blunderbuss" is of Dutch origin, from the Dutch word donderbus, which is a combination of donder, meaning "thunder", and bus, meaning "container, tin" (Middle Dutch: busse, box, jar, from Latin buxus, box tree). The transition from donder to blunder is thought by some to be deliberate; the term blunder was originally used in a transitive sense, synonymous with to confuse, and this is thought to describe the stunningly loud report of the large-bore, short-barreled blunderbuss.[failed verification] The term dragon is taken from the fact that early versions were decorated with a carving in the form of a mythic dragon's head around the muzzle; the muzzle blast would then give the impression of a fire-breathing dragon. The flared muzzle is the defining feature of the blunderbuss, differentiating it from large caliber carbines; the distinction between the blunderbuss and the musketoon is less distinct, as musketoons were also used to fire shot, and some had flared barrels. The muzzle (and often the bore) was flared with the intent not only to increase the spread of the shot, but also to funnel powder and shot into the weapon, making it easier to reload on horseback or on a moving carriage; modern experiments corroborated the dramatic improvement in shot spread, going from a 530-millimetre-spread (21-inch) diameter from a straight barrel to an average of 970 mm (38 in) spread at 9 metres (10 yards). Blunderbusses were typically short, with barrels under 60 centimetres (2 ft) in length, at a time when a typical musket barrel was over 90 cm (3 ft) long. One source, describing arms from the early to middle 17th century, lists the barrel length of a wheel lock dragon at around 28 cm (11 in), compared to a 41 cm (16 in) length for a blunderbuss. The blunderbuss could be considered an early type of shotgun and served in many similar roles. Though some old accounts may list the blunderbuss as being loaded with various scrap iron, rocks, or wood, which might well result in damage to the bore of the gun, it was typically loaded with a number of lead balls smaller than the bore diameter. Barrels were made of steel or brass. The blunderbuss, and especially the dragon, was typically issued to troops such as cavalry, who needed a lightweight, easily handled firearm.[10] The dragon became so associated with cavalry and mounted infantry that the term dragoon became synonymous with mounted infantry. In addition to the cavalry, the blunderbuss found a use for other duties in which the shotgun-like qualities were desirable, such as for guarding prisoners or defending a mail coach, and its use for urban combat was also recognized. Blunderbusses were also commonly carried by officers on naval warships, by privateers and by pirates for use in close-quarters boarding actions. The Portuguese Marines used it widely in the 17th century. Many types of ammunition, including gravel and sand, could be shot in a pinch, but most of the time they were shot using traditional lead balls. The blunderbuss used by the British Royal Mail during the period of 1788–1816 was a flintlock with a 36 cm (14 in) long flared brass barrel, brass trigger guard, and an iron trigger and lock. A typical British mail coach would have a single postal employee on board, armed with a blunderbuss and a pair of pistols to guard the mail from highwaymen. One 18th century coaching blunderbuss in another British collection had a brass barrel 43 cm (17 in) long, flaring to 51 mm (2 in) at the muzzle; it was also provided with a spring-loaded bayonet, which was held along the barrel by a catch and would spring forward into place when released. Spring-loaded bayonet blunderbusses were also used by the Nottingham City Police after its formation around 1840.
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