One of the fun airsoft gas SMGs in the market, the Maruzen MP5K Charger, is reviewed by Mach Sakai. Just like many Japanese airsoft guns, it is mainly made of ABS plastic with the flash hider, magazine, and front sight being metal. It is a fully blowback magazine and you can easily empty its 30-round magazine on full auto.

Read the full review here and below is the video version: