SHS Aluminum Short Type Cylinder Head for Ver.2 M4 Gearbox (Red, Padded Bottom)

SHS Aluminum Short Type Cylinder Head for Ver.2 M4 Gearbox (Red, Padded Bottom) Aluminum Construction Cylinder head enhances airflow through the Airsoft AEG gearbox It keeps the nozzle stroking at the exact center of the cylinder It also stabilizes the loading system With pad on the bottom Suitable For Version II Airsoft Gearbox