Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. (#2 +0.20 or +0.25 / 70 inch) - 4pcs/set Capacity-(rds)_300 Rounds Sharp finish achieved by high-precision

Sharp finish achieved by high-precision CNC cutting

It will make your RAS and upper receiver connected tightly

Enlarged cam area to reduce wear on nozzle housing

At first glance it looks like one of those Patriot M4 pistols with free float rails

Ambidextrous manipulation

Guns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. (#2 +0.20 or +0.25 / 70 inch) - 4pcs/set Capacity-(rds)_300 Rounds Sharp finish achieved by high-precisionGuns Modify Extreme Custom Magazine Lip Rubber Seal for Tokyo Marui G Series Gas Mag. (#2 +0. 20 or +0. 25 70 inch) 4pcs set Rubber Made Smoother internal transition improves gas flow Suitable for Tokyo Marui G Series Airsoft Gas Blow Back GBB Pistol Magazine (#2 +0. 20 or +0. 25 70 inch) 4 Piece in Package