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<blockquote data-quote="Austerlitz" data-source="post: 1742341" data-attributes="member: 15586">Esto es lo unico que he encontrado al respectoThis new cartridge is known as 5.45x39 PSP, and is externally similar to standard 5.45x39 ammunition except that it has a different bullet shape. Internally it differs in having a long bullets, which has specially calculated shape and protrudes back into the cartridge case all the way to the bottom, with overall bullet length being about 53mm (2.1 inch), compared to overall cartridge length of 57mm. There are two types of PSP ammunition, the 5.45 PSP (combat ammunition) with hardened steel projectile weighting 16 gram (muzzle velocity on air about 330 m/s) and 5.45 PSP-U (practice / training ammunition) with bronze projectile weighting 8 gram (muzzle velocity on air about 430 m/s). Effective range with PSP ammunition varies from 25 meters at 5 meters depth to 18 meters at 20 meters depth; effective range of the PSP-U training ammunition when below teh water is about 2 times shorter. Fuente:<a href="http://world.guns.ru/assault/rus/ads-dvuhsredny-e.html">http://world.guns.ru/assault/rus/ads-dvuhsredny-e.html</a></blockquote>

[QUOTE="Austerlitz, post: 1742341, member: 15586"] Esto es lo unico que he encontrado al respecto [I]This new cartridge is known as 5.45x39 PSP, and is externally similar to standard 5.45x39 ammunition except that it has a different bullet shape. Internally it differs in having a long bullets, which has specially calculated shape and protrudes back into the cartridge case all the way to the bottom, with overall bullet length being about 53mm (2.1 inch), compared to overall cartridge length of 57mm. There are two types of PSP ammunition, the 5.45 PSP (combat ammunition) with hardened steel projectile weighting 16 gram (muzzle velocity on air about 330 m/s) and 5.45 PSP-U (practice / training ammunition) with bronze projectile weighting 8 gram (muzzle velocity on air about 430 m/s). Effective range with PSP ammunition varies from 25 meters at 5 meters depth to 18 meters at 20 meters depth; effective range of the PSP-U training ammunition when below teh water is about 2 times shorter. [/I] Fuente:[url]http://world.guns.ru/assault/rus/ads-dvuhsredny-e.html[/url] [/QUOTE]

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Guerra desarrollada entre Argentina y el Reino Unido en 1982