Guarder Spring SP170
Guarder Spring SP170.
Spring SP 170 [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 500 up to 570fps (muzzle velocity is dependent on other parts mounted in the interior of the gearbox).