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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.
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 ]
.243 Winchester Super Short Magnum.244 H&H Magnum.244 Remington.246 Purdey.303/25.25 Remington.25-45 Sharps.25-21 Stevens.25-25 Stevens.25 Winchester Super Short Magnum.250 Savage.25-06 Remington.25-20 Winchester.25-35 Winchester.25-45 Sharps.297/250 Rook.250-3000 Savage.255 Jeffery Rook.256 Gibbs Magnum.256 Newton.256 Winchester Magnum.257 Roberts
Originally chambered for the new .45-75 Winchester Centennial cartridge (designed to replicate the .45-70 ballistics in a shorter case), the Model 1876 also had versions in .40-60 Winchester, .45-60 Winchester and .50-95 Express; the '76 in the latter chambering is the only repeater known to have been in widespread use by professional buffalo ...
The .45-75 was shorter and fatter than the .45-70 government cartridge. Although the .45-75 was nominally superior to the popular .45-70, the weak toggle-link action with its elevator-style carrier originally designed for handgun cartridges limited the ability of the Model 1876 rifle to safely fire higher pressure loads intended for stronger ...
After 1873, with the advent of the .45-70 cartridge, the Army declared the .50-70 to be surplus, and while some rifles and carbines in .50-70 were issued to Indian Scouts, the bulk were simply sold off as surplus. In the U.S. Navy, however, the .50-70 cartridge and the guns associated with it remained in use until the late 1880s.
.45-70 Whisper [12] 11.6x41mm .45-70 Government.458 Whisper Belted [13] 11.6x44mm B .458 Winchester Magnum.500 ... case—more available and more economical brass.
Production of Winchester Model 1886 rifles chambered in this cartridge ceased in 1910 due to lack of demand, [3] and most commercial production of the cartridge itself ceased in the 1930s. New production loaded cartridges and unloaded brass cases are rare and are often created using reformed .45-70 brass.