Replacement Cyliner Unit for WE KATANA M4 AEG Series.
Ready to go for between 400 - 450 FPS with this cylinder installed in WE KATANA M4 AEG.
Suitable for WE KATANA M4 AEG Series only.
Please ONLY use with High Torque Motor after changing this cylinder unit.
Color : Grey
Weight with Box(gram) : 198