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