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Derived from the .50-60-400 Joslyn, the cartridge was developed after the unsatisfactory results of the .58 rimfire cartridge for the Springfield Model 1865 rifle. The .50-70 Government cartridge used the Benét internal center-fire primer design and became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873.
The Model 1868 was also the first trapdoor conversion to use the cartridge extractor covered by U.S. Patent No. 68,009, issued August 27, 1867 to W.H. & G.W. Miller. The Model 1868 had an overall length of 51 7 ⁄ 8 inches. [1] Over 50,000 Model 1868 rifles were manufactured, chambered for the .50-70 450 cartridge.
Therefore with a 12-gauge, it would take 12 balls of lead of the same size as the 12 gauge shotgun's inner bore diameter to weigh 1 pound (453.6 g). [5] The term is related to the measurement of cannons , which were also measured by the weight of their iron round shot ; an eight-pounder would fire an 8-pound (3.6 kg) ball.
The rifle was chambered for the powerful centerfire .50-70 Government cartridge (.50 caliber 450-grain (29 g) bullet; 70 grains (4.5 g) of black powder). Though a significant improvement over the extractor of the Model 1865 Springfield Rifle, the Model 1866 extractor was still excessively complicated and the extractor spring was somewhat prone ...
Originally, the trapdoor Springfields were created to convert Model 1863 Springfield rifled muskets to breech-loading rifles at a relatively low cost. The Model 1869 Cadet Rifle was a shortened version of the Springfield Model 1868. It had a 29.5 inch barrel, compared to the 32.5 inch barrel of the Model 1868, and had an overall length of 48.8 ...
The "Hickok rifle" has a 29.625-inch (75.25 cm) barrel, which is longer than the carbine version's barrel and shorter than the rifle version's barrel, and also has a Kentucky rifle style sloped butt. The trapdoor mechanism is stamped with the year 1870, and the lockplate is stamped with the year 1863, indicating that this rifle was originally ...
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The falling-block action lent itself to conversion to the new metallic cartridges developed in the late 1860s, and many of these converted carbines in .50-70 Government were used during the Indian Wars in the decades immediately following the Civil War. [11]