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Ball-bearing aluminum piston head – Bore Up

A high quality, reinforced and ball-bearing piston head. It is made of aluminum with the use of the CNC technology. It is perfect to make power tune ups of the replica. The materials used during the production process guarantee a long and trouble-free operation of the system. The application of the ball-bearings prevents the spring from trashing and, what is followed by it, it allows to keep a stable muzzle velocity for a longer period of use. The use of the Super Oring type sealing guarantees good sealing and durability of the system.