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The RML 9-inch guns Mark I – Mark VI [note 1] were large rifled muzzle-loading guns of the 1860s used as primary armament on smaller British ironclad battleships and secondary armament on larger battleships, and also ashore for coast defence.
A rifled muzzle loader in the forecastle of HMS Gannet (1878). A rifled muzzle loader (RML) is a type of large artillery piece invented in the mid-19th century. In contrast to smooth bore cannon which preceded it, the rifling of the gun barrel allowed much greater accuracy and penetration as the spin induced to the shell gave it directional stability.
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 ...
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 It was superseded by the RML 2.5-inch Mountain Gun from 1879.
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 ...
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 ...
An 1871 diagram showing the gun and carriage of the RML 9-pounder 8 cwt field gun. The 9-pounder 8 cwt Rifled Muzzle Loader was the field gun selected by the Royal Artillery in 1871 to replace the more sophisticated RBL 12 pounder 8 cwt Armstrong gun, which had acquired a reputation for unreliability. [2]
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 smooth