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The 7.62×54mmR is a rimmed rifle cartridge developed by the Russian Empire and introduced as a service cartridge in 1891. Originally designed for the bolt-action Mosin–Nagant rifle, it was used during the late tsarist era and throughout the Soviet period to the present day.
7.62_x_54_R.jpg: The original uploader was Francis Flinch at English Wikipedia. derivative work: Tsaitgaist ( talk ) This is a retouched picture , which means that it has been digitally altered from its original version.
It was the service cartridge of the late Tsarist era and throughout the Soviet period to the present-day Russia and other countries as well. The 7.62×54mmR remains one of the few standard-issue rimmed cartridges still in military use, and has one of the longest service lives of any military-issued cartridge. [1] This table is sortable for ...
7.63×25mm Mauser, which was the basis for, and has nearly identical dimensions to, the Tokarev, but has different loading specifications. 7.65×25mm Borchardt, from which both the Mauser and Parabellum cartridges were developed; 7.65×21mm Parabellum; 7.65×17mm Browning, more commonly known as .32 ACP
The test cartridge must be inserted into the chamber in such a way that the hole in the test cartridge case lines up with a gas port hole that channels the gas pressure from the cartridge case to the face of the sensor. The measurement accuracy of the pressure measurements with 21st century high-pressure sensors is expected to be ≤ 2%. [7]
The PK uses the 7.62×54mmR Eastern Bloc standard cartridge that produces significantly more bolt thrust when compared to the Eastern Bloc 7.62×39mm and 5.45×39mm intermediate cartridges. With the use of a single spare parts kit and two barrel assemblies the service life of the modernized PKM machine gun series is guaranteed for at least ...
The Zastava M91 is a semi-automatic designated marksman rifle chambered in 7.62×54mmR, developed and manufactured by Zastava Arms company in Kragujevac, Serbia.Like its predecessor, the Zastava M76, the M91 is internally based upon an elongated version of the AK-47 design, but the M91 shares more external similarities with the Dragunov sniper rifle than the M76.
SVCh-308 variant chambered for the 7.62×51mm NATO cartridge. [24] [30] SVCh-8.6 variant chambered for the .338 Lapua Magnum (8.6×70mm). The upper receiver is enlarged and combined with a 560 mm (22.0 in) barrel and a different muzzle brake. The bolt group of this model is also modified to accommodate the dimensionally significantly larger ...