One of the spitfires out of the box, the Tokyo Marui MP5K High Cycle has been in the market for years now. Will it be still a CQB beast? President Yutakomachi gets to try out one again. The Tokyo Marui Airsoft Electric High Cycle MP5K is a high-performance airsoft gun with a polymer body that ensures durability. It boasts a high rate of fire and comes with a high-capacity 220-round magazine for extended play. The MP5K is also equipped with a 20mm low mount rail for accessory attachment.