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The .50-70 Government cartridge became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873. The .50-70 cartridge has a pressure limit of 22,500 psi (155 MPa) [1] The official designation of this cartridge at the time of introduction was "US center-fire metallic cartridge", and the commercial ...
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 inches. [] Over 50,000 Model 1868 rifles were manufactured, chambered for the .50-70 450 cartridge. This model served as the basis for ...
Sharps rifle. .52-caliber (0.52" dia.) 475-grain (30.8 g) projectile with 50-grain (3.2 g) charge, later converted to .50-70 in 1867. The Model 1874 rifles and carbines were available in a variety of calibers, including .45-70, .45-110, and .45-120. Sharps rifles are a series of large-bore, single-shot, falling-block, breech-loading rifles ...
Springfield Model 1866 breech. The Springfield Model 1866 was the second iteration of the Allin-designed trapdoor breech-loading mechanism. Originally developed as a means of converting rifle muskets to breechloaders, the Allin modification ultimately became the basis for the definitive Springfield Model 1873, the first breech-loading rifle adopted by the United States War Department for ...
The predecessor to the .45-70 was the .50-70-450 cartridge, adopted in 1866 and used until 1873 in a variety of rifles, many of them were percussion rifled muskets converted to trapdoor action breechloaders. The conversion consisted of milling out the rear of the barrel for the trapdoor breechblock, and placing a .50 caliber "liner" barrel ...
The Remington Rolling Block was developed from the 1863 pattern .50 calibre split breech carbine issued to the US Cavalry during the American Civil War. This earlier weapon was designed by Joseph Rider and Leonard Geiger to fire the same cartridges as the Spencer carbine. [10] The split breech rifle lacked a hammer spur because it self-cocked ...
The second version Model 1870 also had a long high arch on the underside of the breechblock, which differed from the first version which had a shorter arch identical to the Model 1868. 10,000 of the second version were manufactured. [2] A shorter carbine version was also produced in 1871. Approximately 350 of these were manufactured. [2]
Open sights. The Springfield Model 1873 was the first standard-issue breech-loading rifle adopted by the United States Army (although the Springfield Model 1866 had seen limited issue to troops along the Bozeman Trail in 1867). The rifle, in both full-length and carbine versions, was widely used in subsequent battles against Native Americans.