![]() ![]() The heavier bullet produced significantly superior ballistics and could reach ranges of 3,350 yd (3,060 m), which were beyond the maximum range of the. It was a skill valuable mainly in mass or volley fire, since accurate aimed fire on a man-sized target was effective only to about 200–300 yards (180–270 m).Īfter the Sandy Hook tests of 1879, a new variation of the. A skilled shooter, firing at a known range, could consistently hit targets that were 6 × 6 feet (1.8 m) at 600 yards (550 m)-the Army standard target. 45-70 from the 1873 Springfield was approximately 4 inches (100 mm) at 100 yards (91 m), however, the heavy, slow-moving bullet had a "rainbow" trajectory, the bullet dropping multiple yards (meters) at ranges greater than a few hundred yards (meters). 405: weight of lead bullet, measured in grains, i.e., 405 grains (26.24 g).70: volume of black powder, measured in grains, i.e., 70 grains (4.54 g). ![]() 45: nominal diameter of bullet, measured in decimal inches, i.e., 0.458 in (11.63 mm) The nomenclature of the time was based on three properties of the cartridge: 45-70-405, but was also referred to as the ".45 Government" cartridge in commercial catalogs. The new cartridge was completely identified as the. 50-70 Government cartridge, which had been adopted in 1866, one year after the end of the American Civil War, and is known by collectors as the "Trapdoor Springfield". Army's Springfield Armory for use in the Springfield Model 1873. 45 caliber rifle cartridge originally holding 70 grains of black powder that was developed at the U.S. Indian Wars, Spanish–American War, Philippine–American War
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