Poseidon Ice Breaker Piston Head for GBB Pistols
Gold 13.5mm for Marui / Guarder Airsoft GBB Pistol
- Marui G Model System.
Red 14mm for WE / KJW Airsoft GBB Pistol
- G Model System , Old Version System 1911 and Hicapa System.
Blue 15mm for Marui / WE / KJW Airsoft GBB Pistol
- New Version 1911 , Hicapa , XDM , PX4 , M&P System.
- Marui 1911 , Hicapa System Use Bule 15mm.