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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.
The model 1884 was also produced in a carbine version. It was found that the rear sight could be easily damaged when removing the rifle from the carbine boot. The rear barrel band was therefore modified in 1890 to include a rear sight protector. A round-rod bayonet model was also produced, designated the Model 1888.
The Ruger #3 is a single-shot rifle produced by Sturm, Ruger & Co from 1973 to 1986. It is based on the Ruger #1, with some modifications made to reduce costs, such as a simpler one-piece breech lever. [3]
Barrel length: 35.7 in (910 mm) to 37.4 in (950 mm) ... a Papal States Rolling Block via YouTube This page was last edited on 20 ... .45-70 and later in .22 caliber.
They then began to measure the effective length (and therefore range) of the weapon in calibers. These are a measure of the standardized length of the barrel versus the rifled bore of the barrel. In other words, a 12/45 is 12"×45= the length of the rifled bore of that gun in inches.
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 ...
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.
*Of which a length of 10.16 mm of the shank has its diameter reduced to 20.45 mm: 17/20"-12 Remington Rolling Block No. 1-1/2 Rem., Sporting Action [6]: 33 Sq21.59: 2.117 mm 90° 36.65 mm* Square threads. Also written as 0.850"-12. *Of which a length of 12.70 mm of the shank has its diameter reduced to 20.32 mm: 17/20"-12