Modify

Modify Airsoft AEGs coil spring with irregular-pitch is designed for enhanced performance. Precision manufactured of high grade piano with high du...

GB-05-63 0.25g or above heavy BBsFeatures:Friendly use. No more modify.Efficiently improves the accuracy.Stabilize and extend the trajectory.

GB-05-63 0.25g or lighter BBsFeatures:Friendly use. No more modify.Efficiently improves the accuracy.Stabilize and extend the trajectory.

Adjustment button with o-ring to assure tightness.Redesigned pressure plate by adding an adjustment gear making accurate adjustment easier.The Hard...