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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.
It had a muzzle velocity of 1,350 feet per second (410 m/s). A reduced-power load of 55 grains (3.6 g) of powder (Carbine Load) was manufactured for use in the carbine to lighten recoil for mounted cavalry soldiers. The Springfield Model 1884 had a muzzle velocity of 1315.7 feet per second with a 500 grain lead bullet. The muzzle velocity of ...
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.
Like many other armed forces, the U.S. Army searched for a new rifle in the early 1890s to replace their old Springfield Model 1873 "trapdoor" single-shot rifles. A competition was held in 1892, comparing rifle designs from Lee , Krag–Jørgensen , Mannlicher , Mauser , Schmidt–Rubin , and about 40 other military and civilian designs.
It first appeared in 1879, manufactured by the Sharps Rifle Manufacturing Company.Eventually Remington took over production and produced copies in .45-70.Arguably this was the most modern rifle in the world, until the introduction of the 8mm Lebel M1886 rifle using smokeless powder, the Remington-Lee rifle utilized the first successful detachable box magazine, unlike the Lebel rifle which was ...
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 ...
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The Winchester Model 1886 was a lever-action repeating rifle designed by John Browning to handle some of the more powerful cartridges of the period. Originally chambered in .45-70 Government, .45-90 Sharps, and .40-82 Winchester, it was later offered in a half dozen other large cartridges, including the .50-110 Winchester. [1]