Guarder Spring SP150
Guarder Spring SP150.
Spring SP 150 [Guarder] with an uneven pitch AEG tuning.
Both ends of the springs are polished.
Compatible with AEG Facilities, except PSG-1.
Installation of the spring and the power outlet between 480 up to 510fps (muzzle velocity is dependent on other parts mounted in the interior of the gearbox)