AK 47 is one of the most popular assault rifles. AK (Avtomat Kalashnikova) or simply Kalashnikov comes in both semi-automatic and automatic versions. It is one of the most popular rifles across the globe. It is a selective-fire, gas-operated, 7.62x39mm assault rifle developed in Soviet Union by Mikhail Kalashnikov. This video gives a different perspective on how AK-47 can be used with a 100 round drum mag and how effective it can be.