Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. 134a Gas (#0 +

Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. 134a Gas (#0 +0.03 or +0.08 / 60 inch) Rubber Made Smoother internal transition improves gas flow Suitable for Tokyo Marui G Series Airsoft Gas Blow Back GBB Pistol Magazine (#0 +0.03 or +0.08 / 60 inch)