Firearm a battle rifle such as the Karabiner 98k, but the chief differences defining an assault rifle are select-fire capability and the use of a rifle round of lesser power, known as an intermediate cartridge. Soviet engineer Mikhail Kalashnikov quickly adapted the German concept, using a less-powerful 7.62×39mm cartridge derived from the standard 7.62×54mmR Russian battle rifle round, to produce the AK-47, which has become the world's most widely used assault rifle. Soon after World War II, the Automatic Kalashnikov AK-47 assault rifle began to be fielded by the Soviet Union and its allies in the Eastern Bloc, as well as
AK-9 tactical accessories. The trigger mechanism allows it to fire in semi-automatic fire and fully automatic fire. The firing module is similar to that of the Kalashnikov assault rifle and is located on the right side of the weapon. Like all the Kalashnikov pattern weapons, it is reliable and simple to use. AK-9 The AK-9 is a Russian 9×39mm compact assault rifle. Its development began when Izhevsk Machine-Building Plant (IZHMASH), now known as Kalashnikov Concern started working on a new silent, flame-less, compact AK rifle in the early 2000s. When creating the new weapon, the manufacturers have tried to surpass all