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The gun was a rifled muzzle-loader. Gun and carriage were designed to be broken down into 4 parts (barrel, breech, 2 wheels) so they could be transported by pack animals (2 mules each: each mule with a left load and a right load, which must balance) or men. The barrel and breech were screwed together for action, hence the name "screw gun".
Charges of up to 150 grains (9.7 g) of FFG Black Powder or three (3) 50-grain Pyrodex Pellets produce velocities of approximately 2,400 ft/s (730 m/s) at the muzzle. Omega: This T/C muzzleloader was offered in several barrel lengths and in calibers .45 and .50. It can handle 150 grains (9.7 g) of Black Powder or Pyrodex equivalent, or three 50 ...
A muzzle-loading rifle is a muzzle-loaded small arm that has a rifled barrel rather than a smoothbore, and is loaded from the muzzle of the barrel rather than the breech. Historically they were developed when rifled barrels were introduced by the 1740ies, which offered higher accuracy than the earlier smoothbores.
RML 2.5-inch mountain gun United Kingdom: 1879 73: 2.9-inch Parrott rifle United States: 1860 76: 3-inch ordnance rifle United States: 1862 76: RML 7-pounder mountain gun United Kingdom: 1873 86: Canon de campagne de 4 rayé France: 1858 96: Wiard rifle United States: 1861 121: Canon de 12 La Hitte France: 1859 140: 70-pounder Whitworth naval ...
The 7 in (18 cm) referred to, and introduced into the service in 1865, were the first of the so-called Woolwich guns, which then meant "wrought iron M.L. guns built up on Sir W. Armstrong's principle, improved upon by hooking the coils over one another, and having solid ended steel barrels, rifled on the system shown above, for studded ...
The Hawken rifle is a muzzle-loading rifle that was widely used on the prairies and in the Rocky Mountains of the United States during the early frontier days. Developed in the 1820s, it became synonymous with the "plains rifle", the buffalo gun, and a trade rifle for fur trappers, traders, clerks, and hunters.
Several Mks of new steel barrels (the first British all-steel gun, hence the name "Steel Gun") were then produced of 190 lb (86 kg) and 150 lb (68 kg) but were not considered powerful enough. [2] Mk IV of 200 lb (91 kg) with a longer bore was settled on for production in 1873. It was superseded by the RML 2.5-inch Mountain Gun from 1879.
The original charge was 450 pounds of prismatic black powder giving a muzzle velocity of 1604 feet/second. However, as this damaged the barrel, it was replaced by brown powder from April 1885. N.J.M. Campbell, "British Super-Heavy Guns".