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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.
Starting as a small ammo-production firm with a dozen workers, government contracts during World War I (1914–1918) to produce military cartridges, rockets and shells caused it to grow to 332 employees. The interwar years (1919–1939) were prosperous, but the cartridge production line was shut down during the German Occupation (1940–1945).
.45 Colt.45-70 Government.45-90 Sharps.45-70 Auto; 45 Raptor.450 Bushmaster.450 Black Powder Express.450/400 Black Powder Express.450/400 Nitro Express.500/450 Magnum Black Powder Express.450 Marlin.450 Nitro Express.500/450 No 1 Black Powder Express.450 No 2 Nitro Express.454 Casull.500/450 Nitro Express.450 Rigby.450 Dakota.450 Watts Magnum
The Magnum Research BFR is a single-action revolver manufactured by Magnum Research.Modeled after the Ruger Blackhawk, it is constructed of stainless steel and chambered for a number of powerful handgun cartridges, such as .460 S&W Magnum and .500 S&W Magnum; popular rifle chamberings, including .30–30 WCF, .444 Marlin, and .45-70 Government; and even .410 bore shotshells.
According to the US Army Ordnance Department tests, the 45-70-405 was loaded to 19,000 psi, [4] while the 45-70-500 was loaded to 25,000 psi [2] The average accuracy of the Springfield Model 1873 was a circle with an average radius of 1.7 inches at 100 yards, corresponding to an ~3.4 MOA.
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 ...
The largest factory caliber offered for the Contender was the .45-70, which, although a much larger case than the .308, is still feasible because of the relatively low cartridge pressures of the original black-powder round relative to the limits of the bolt face of the Contender receiver.
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.