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The 5.45×39mm cartridge is a rimless bottlenecked intermediate cartridge.It was introduced into service in 1974 by the Soviet Union for use with the new AK-74.The 5.45×39mm gradually supplemented and then largely replaced the 7.62×39mm cartridge in Soviet and Warsaw Pact service as the primary military service rifle cartridge.
Known ballistics of R.A.S. ammunition products are below. Some figures are calculated from inputs of other figures such as the energy measured in foot-pounds (ft-lbf). [11] OAL stands for Overall Length. Data for a Red Army Standard 9×18mm Makarov cartridge, labeled as 94 grain FMJ:
Ballistics by the Inch (often called BBTI) was a project to test the performance characteristics of a variety of common handgun calibers/cartridges.The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length.
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]
The Barrett Optical Ranging System (BORS) was an integrated ballistics computer manufactured by Barrett Firearms that aids snipers and long-range marksmen in taking precise and accurate shots. The system mounts directly to the riflescope and couples with the elevation knob. With the aid of the BORS, marksmen can rapidly account for temperature ...
Still, because Walmart always has some solid deals going on at any given moment, we've taken a spin through the sale section to find some that are too good not to mention, from a figure-flattering ...
The Taylor KO factor multiplies bullet mass (measured in grains) by muzzle velocity (measured in feet per second) by bullet diameter (measured in inches) and then divides the product by 7,000, converting the value from grains to pounds and giving a numerical value from 0 to ~150 for normal hunting cartridges.
Biden’s advisers have been meticulously studying and combing through all of Trump’s recent comments to see what is most likely to trigger him.