The MEC R-Type piston head for Tokyo Marui Hi-Capa style pistol GBBs is an improvement over the stock one that comes with the pistol.

This particular revolver’s cylinder-front-view design brass piston head equipped with a 6-hole air intake in order to improve
the air tightness and air sealing with the included O-ring (including 3 size of O-ring: red, black and green).
Features:

• Reinforced with brass.
• O ring for better air seal.

Specification:

Material: Brass, Rubber

For Tokyo Marui, WE, AW Custom, and other types of Hi-Capa airsoft pistols. Will also fit the 1911 WE/TM, and some other models.