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The 7.62×39mm (also called 7.62 Soviet, formerly .30 Russian Short) [5] round is a rimless bottlenecked intermediate cartridge of Soviet origin. The cartridge is widely used due to the global proliferation of the AK-47 rifle and related Kalashnikov-pattern rifles, the SKS semi-automatic rifle, and the RPD/RPK light machine guns.
7.62×38mmR (also known as 7.62 mm Nagant and Cartridge, Type R) is an ammunition cartridge designed for use in the Russian Nagant M1895 revolver. A small number of experimental submachine guns (e.g., Tokarev 1927), designed by Fedor Tokarev, were also produced in a 7.62 mm Nagant chambering. [4] None, however, were accepted into Soviet service ...
While it originally re-used 7.62x39 cases, once it became popular enough commercial ammunition started being manufactured, both in the USSR and in Finland. [4] [5] When it was introduced to the United States by SAKO it was stamped .220 Russian. Lapua later changed the designation to .220 Russian for the American market as well. [6] [5]
Various photos of 7.62×54mmR ammunition [permanent dead link ] An evaluation list for variants, weights, and velocities of this ammunition type Archived 2006-08-16 at the Wayback Machine; A dimensional diagram of the cartridge Archived 2006-11-16 at the Wayback Machine; 110 Years Of The 7.62×54R Archived 2007-06-26 at the Wayback Machine
Photo of synthetic ballistic gelatin showing terminal fragmentation of a .243 projectile. Ballistic gelatin is a testing medium designed to simulate the effects of bullet wounds in animal muscle tissue. It was developed and improved by Martin Fackler and others in the field of wound ballistics. It is calibrated to match pig muscle, which is ...
In comparison with 7.62×39 mm rounds, .300 BLK rounds with varying loads have better ballistic coefficients and more energy out of similar length barrels. 300 BLK rounds like the Barnes TAC 110 grain, have "barrier blind" performance, being capable of penetration through several inches of different hard targets. 300 BLK allows a user to have ...
The 7.62×45mm has a 2.79 mL (43.1 gr H 2 O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action and semi-automatic rifles and machine guns alike, under extreme conditions.
The 9×39 is based on the Soviet 7.62×39mm case but with the neck expanded to fit a 9.2mm bullet. The final design was completed by N. Zabelin, L. Dvoryaninova, and Y. Frolov of the TsNIITochMash in the 1980s. The intent was to create a more stealthy cartridge for suppressed firearms used by Spetsnaz and other special troops that had more ...