Requirements of modern battlefield forces usage of new, better, types of pistol ammunition.It is mainly caused by insufficient penetration capabilities and firing range of traditional9 mm Parabellum ammunition. Also in close combat there is need for quick aiming, whichis strongly connected to low recoil and controllability of a weapon. Because of thoseproblems NATO countries started to develop new types of pistol ammunition to supersede9 mm Parabellum ammunition in military use. Such works was also taken in early 70’sto exchange 9 mm Makarov ammunition in Soviet Union.Sole purpose of this article is to compare some internal and external ballistic parameters fordifferent projectile types of 4,6x30 mm and 5,7x28 mm ammunition and additionally,for informative purposes, Soviet 5,45x18 mm ammunition.
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