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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.
Cimarron's 1873 Trapper is a replica of the Winchester Model 1873 carbine with one exception; the company patented a magazine spring and follower to allow a shooter the ability to load 10 cartridges in the short magazine for competition instead of the standard 9 rounds.
This model served as the basis for the definitive Springfield Model 1873 series of rifles in .45-70-405 caliber, which was adopted in 1873 as the standard military longarm of the United States armed forces for the next 20 years. This model is unique in the trapdoor series by being marked with the actual year of manufacture (1868, 1869, or 1870 ...
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.
Springfield Model 1888, trapdoor mechanism open. In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor. [1] The Springfield models 1865 and 1873 were best known for first employing this type of action. [2]
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 inches. The Model 1869 was produced using Model 1868 receivers and breech blocks, but used a stock that was manufactured specifically for the Model 1869.
Springfield Model 1870 – .50-70 caliber trapdoor rifle. [8] Springfield Model 1870 Remington-Navy – .50-70 caliber rolling-block rifle. [9] Springfield Model 1871 – .50-70 caliber rolling-block rifle. [10] Springfield Model 1873 – .45-70 caliber trapdoor rifle. [11] Springfield Model 1875 – .45-70 caliber trapdoor officer's rifle. [12 ...
The .45-70 was a flat shooting cartridge when it came out, and the early generation of cartridge rifles coming out around that time (the Springfield trapdoor rifles, the Sharps, the Remington rolling block) where and in fact still are quite accurate--quite a bit more than the typical percussion muzzleloader (Gun Test magazine did a review of ...