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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 unrelated Henry Repeating Arms produces a modernized replica of the Henry Model 1860 rifle with brass receiver and American walnut stock, but a modern steel barrel and internal components. [14] Uberti produces an almost exact copy Henry Model 1860 chambered in .44-40 Winchester or .45 Colt, rather than the original .44 Henry rimfire.
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 Martini–Henry is a breech-loading single-shot rifle with a lever action that was used by the British Army. It first entered service in 1871, eventually replacing the Snider–Enfield, a muzzle-loader converted to the cartridge system. Martini–Henry variants were used throughout the British Empire for 47 years.
The Henry Single Shot rifle is also available in hardened brass or steel in over 10 centerfire calibers. Henry Repeating Arms released the Side-Gate lever-action rifle chambered in .30-30 Win, .38-55 Win, .35 Rem, and .45-70 Gov't in 2018.
Cartridge length was limited by the action size to about 1.75 in (44 mm). Later calibers used a smaller diameter, lighter bullet and larger powder charge to increase power and range over the original .56-56 cartridge, which was almost as powerful as the .58 caliber rifled musket of the time but under-powered by the standards of other early ...
The Rossi version is chambered in .45 Colt, .44 Magnum/.44 Special, and .357 Magnum/.38 Special. [15] The Rossi Ranch Hand is manufactured by Taurus in Brazil. [16] [17] Henry Repeating Arms manufactures two versions of the Mare's Leg. The rimfire model has a blued receiver and barrel and chambers .22 Long Rifle, .22 Long, and .22 Short.
The .577/450 Martini–Henry is a black powder, centrefire rifle cartridge.It was the standard British service cartridge from the early 1870s that went through two changes from the original brass foil wrapped case (with 14 parts) to the drawn brass of two parts, the case and the primer.