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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.
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.
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 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 ...
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]
The first black powder cartridge adopted in large numbers by the Japanese Army, it was used in the Murata rifle, a hybrid of French Gras and German Mausers 1871 and 1871/84 rifles. 12.7×108mm: 1930 USSR R 12.7×108mm 2700 11980 (13737) 255 0.511 108mm Used in Heavy Machine Guns, AT-rifles [36] and anti-materiel rifles. 14.5×114mm: 1941 [37 ...
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The hinged breechblock caused these rifles to be named "Trapdoor Springfields". [3] The conversion from musket to breechloader was done by milling open the barrel's breech section and inserting a hinged trapdoor fastened to the top of the barrel. A thumb-operated cam latch at the rear of the breechblock held it shut when in closed position.