MEC R-Type Piston Head - TM-15 - Marui G-Series/Five-Seven

The MEC R-Type piston head for Tokyo Marui / KWA pistol GBB is an improvement over the stock one that comes with the pistol. This particular revolver cylinder-front-view design brass piston head equipped with a 6-hole air intake in order to improve the airtightness and air sealing with the included O-ring (including 3 sizes of O-ring: red, black and green).

FEATURES:

• Reinforced with brass.
• O ring for better air seal.
• O ring:
• Red: 13.5 - 14mm
• Black: 14mm
• Green: 14mm - 14.5mm
• Compatibility:
• TM PX4, FN 5-7, G-Series 17 Gen.4, 19 / WE G-Series 17

 Specification:

• Material: Brass, Rubber
• Manufacturing Process: Precision Machining
• Weight: Marui-15 (2g)