Like the AK-104, the AK-9 is based on the so-called "hundred series" of the Kalashnikov assault rifle variants. With its 9x39mm subsonic ammunition, it is especially effective, and each of the black polymer magazines holds 20 rounds of ammunition.
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— Item Description
The AK-9 is a Submachine Gun.
Usage
The AK-9 performs similarly to the AK-103 for the Rifleman class. It has high recoil but high damage and good accuracy. The rate of fire is higher than the AK-103 but the magazine is very small, which can make killing more than 1 person hard.