Firearm Blog has dissected these VERY HIGH CAPACITY MAGAZINES on Kim Jung Un’s body guards:

The bodyguard of North Korean dictator Kim Jong-un have been photographed with enormous helical magazines on their AK rifles. The round capacity could be anywhere between 75-150 rounds. I cannot identify the rifles. They are probably North Korea’s domestically produced Type 88, Type 98 or Type 98-1.

The picture comes from this video: