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Derived from the .50-60-400 Joslyn, the cartridge was developed after the unsatisfactory results of the .58 rimfire cartridge for the Springfield Model 1865 rifle. The .50-70 Government cartridge used the Benét internal center-fire primer design and became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873.
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 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 "Hickok rifle" has a 29.625-inch (75.25 cm) barrel, which is longer than the carbine version's barrel and shorter than the rifle version's barrel, and also has a Kentucky rifle style sloped butt. The trapdoor mechanism is stamped with the year 1870, and the lockplate is stamped with the year 1863, indicating that this rifle was originally ...
Conversions for rifles and carbines of larger caliber, such as the AK-47 or Thompson submachine gun include a rifled insert barrel extending beyond the length of the chamber. [ 9 ] [ 10 ] One exception to the use of a special lightweight bolt was the Colt Service Ace , offered as a complete pistol or as a conversion kit for the M1911.
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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 ...