    Sealed ball bearing piston head
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The high quality reinforced and ball bearing piston head. It is made of polycarbonate. It is perfect for power tune ups of the replica. The materials which were used in the production process guarantee a long and troublefree operation of the whole system. The application of the ball bearings prevents from  trashing the main spring – and what is followed by it – allows to keep a constant muzzle velocity for a longer period of time. The application of the sealing ensures greater sealing and durability of the whole system.
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