Echo 1 Replacement M4 / M16 Airsoft Gun Ported Non-Bore Up Cylinder
Echo 1 Replacement M4 / M16 Airsoft Gun Ported Non-Bore Up Cylinder
The Echo 1 M4 / M16 Ported Cylinder is compatible with any full metal, version 2 gearbox. This cylinder is perfect for providing excellent compression and boosting FPS and range.
Features:
– Provides excellent compression
– Rated for 360mm – 400mm barrels
– Increases FPS