Deryck Airsoft does a 10-minute review of the Maruyama SCW-9 PRO-G GBB SMG. This product from Japan’s Maruyama Corporation has a 50-round long magazine that works with the VFC Glock system. It has a stock that can be adjusted to three lengths. You can release the magazine from either side. It is small and sleek, only 370mm long. It also has a dummy suppressor that you can remove easily. It is a Japanese design, but made in Taiwan.