Hammer Power Regulator Kit for Hi-Capa GBB Tokyo Marui COWCOW

COWCOW is a reputable brand in the production of high quality custom GBB parts.

Here we find a hammer power regulation kit for Hi-Capa GBB Tokyo Marui, made from metal. It will allow you to adjust the force with which your hammer will return during the cycle. Ideal for upgrading your replica fist!!