Set of cylinders for airsoft guns PTW - M130. Gearbox, with which PTW airsoft guns are equipped, allows to change the stroke speed by replacing the homogeneous integrated foam unit.
The M130 mainspring pneumatic unit is a great alternative for airsoft assault operations at medium ranges. Replacing the pneumatic unit is extremely easy and should not pose any problems in field conditions.

In addition to the M130 mainspring, there is also a metal spring mandrel and a plunger with all-metal teeth inside.

Weight: 155g