Ball bearing piston head
The ball bearings piston head is made of high quality aluminum with the use of the CNC technology. It is perfect to be used in power tune ups of the replica. The materials which were used in the production process guarantee the long and troublefree operation of the system. The use of the ball bearings prevents the use of the main spring, and what is followed by it, it keeps the muzzle velocity on one level for a longer period of time. The O-Ring was made of FPM rubber which has got increased durability for high temperatures and chemical agents ( this includes corrosive greases ).