PTS - MEC R-Type Piston Head


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SKU: ME102490300-KWA-14 PTS

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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’s 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 size of O-ring: red, black and green).


  • Reinforced with brass.
  • O ring for better air seal.
  • O ring:
    • Red:13.5 - 14mm
    • Black:14mm
    • Green:14mm - 14.5mm


  • Material:Brass, Rubber
  • Weight:                
    • Marui-14 (1.8g)
    • Marui-15 (2g)
    • KWA-14 (2.5g)
    • KWA-15 (3g)
  • Manufacturing Process:    Precision Machining
  • Compatibility:            
    • KWA-14: KWA TT-33, M9, M93R, MP7
    • KWA-15: KWA HK45, MK23, MP9, Mark 4, VZ61
    • Marui-14: TM Hi-Capa, P226, G17 Gen.3, 1911/KJ KP-17
    • Marui-15: TM PX4, FN 5-7, G17 Gen.4, G19 / WE G17

Manufacturer:    MEC

Disclaimer: This product is for airsoft, training, and simulation purposes only. Utilizing Airsoft products improperly, including in real firearm applications, are potentially dangerous and may cause serious injury. PTS will not accept any responsibility or liability for misuse of this product.