RKM

The RKM is a high damage AR with moderate fire rate and passive aggressive muzzle climb. It is chambered in 7.62x39mm.

Overview
The RKM hits hard, but fires fairly slowly. 7.62x39mm has a lot of ballistic energy, so it penetrates walls and deals high damage to streaks/humans, but it's slow firerate might let some SMGs or even ARs outpace it.