For those not familiar with maintenance of the Tokyo Marui Hi-Capa Gas Blowback Pistol, here is a video produced by Laylax to guide you. The guide is in Japanese, but your can just follow the visuals in the video as this is a step-by-step process. You should be familiar with doing this takedown in no time.
As for Hi-Capa upgrade parts, you can visit Laylax to find a good number of upgrade parts.
