CNC Aluminum Piston Head Essential part for upgrading your Gearbox The ventilation holes on the piston head can greatly increase the speed that the piston travel; thus it increases the speed that the gun fires The piston head has a special design which can decrease the friction occurs when the spring compresses This design not only can prevent the malfuction of the spring, but also increase the durability of it The longevity of the battery can benefit from this design as well
Manufacturer : SHS
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