Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. 134a Gas (#1 +

Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. 134a Gas (#1 +0.09 or +0.14 / 60 inch) Rubber Made Smoother internal transition improves gas flow Suitable for Tokyo Marui G Series Airsoft Gas Blow Back GBB Pistol Magazine (#1 +0.09 or +0.14 / 60 inch)