Echo 1 Silent Piston and Cylinder Head Set for Version 2 Gearboxes

Echo 1 Silent Piston and Cylinder Head Set for Version 2 Gearboxes

Echo 1 Silent Piston and Cylinder Head Set for Version 2 Gearboxes

Features:

- Polycarbonate and aluminum construction

- Piston head is designed to reduce the sound of airsoft guns

- Ported piston head allows o-ring to expand for maximum air compression

- Thrust bearing reduces spring tension by letting it spin

- Cylinder head has shock absorbing rubber bumper

- Durable one-piece construction

- Designed for Version 2 Gearboxes