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According to the US Army Ordnance Department tests, the 45-70-405 was loaded to 19,000 psi, [4] while the 45-70-500 was loaded to 25,000 psi [2] The average accuracy of the Springfield Model 1873 was a circle with an average radius of 1.7 inches at 100 yards, corresponding to an ~3.4 MOA.
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.
The .45-70 (11.6x53mmR), also known as the .45-70 Government, .45-70 Springfield, and .45-2 1 ⁄ 10" Sharps, is a .45 caliber rifle cartridge originally holding 70 grains of black powder that was developed at the U.S. Army's Springfield Armory for use in the Springfield Model 1873.
In 1877, many changes were made to both the Model 1873 rifle and the Model 1873 carbine (the carbine was just a shorter version of the rifle). Historically, the Model 1877 rifle has just been considered to be a variant of the Model 1873, while the Model 1877 carbine has been considered to be a separate model.
Springfield Model 1880 – .45-70 caliber trapdoor rifle. [14] Springfield Model 1882 – .45-70 caliber trapdoor short rifle. [15] Springfield Model 1884 – .45-70 caliber trapdoor rifle. [16] Springfield Model 1886 – .45-70 caliber trapdoor carbine. [17] Springfield Model 1888 – .45-70 caliber trapdoor rifle. [18] Repeating rifle:
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 inches. The Model 1869 was produced using Model 1868 receivers and breech blocks, but used a stock that was manufactured specifically for the Model 1869.
The .45-70 Hotchkiss was acquired in limited numbers by the US Navy as the M1879, and (in a slightly modified version) by the US Army and several state militias as the M1883, making it the first center-fire bolt-action repeater to be adopted by any major military (the distinction of first bolt-action repeating rifle to be issued in great ...
The Model 1875 officer's rifle was checkered fore and aft of the trapdoor breech and tipped with white metal. It was fitted with a "globe and pinhead" foresight and a "buckhorn" backsight on the barrel. [1] It also featured a well-made peep sight fitted on the small of the stock, which was graduated for ranges from 50 to 1,100 yards (46–1,006 m).