FE CNC steel full cylinder set.
Design for KS/Echo1/AEG M24 series bolt action airsoft sniper rifle.
CNC stainless steel/aluminum construction provide the highest performance.
CNC stainless steel cylinder set.
Full Length: 285mm.
CNC aluminum make 8 hole piston(Blue).
CNC stainless steel make spring guide.
500% high quality power up spring.
Power output may vary if used in conjunction with our upgrade parts.
NOTE: Dissembling may require experienced technical advice. You can consult your locate airsoft shop for detail.