Black cylinder set for the PTW replicas - M90

    Black cylinder set for the PTW replicas - M90

The gearbox in which the PTW replicas are equipped with allows the change of the muzzle velocity by changing a homogenous integrated penumatic unit. It is available in three options, which guaranty different muzzle velocities.

The replacement of the pneumatic unit is extremely intuitive and should not make any problems in field conditions.

Besides the M90 main spring, inside, there is also a metal spring guide and a piston with all metal teeth.