Rotary spring guide version 3

This spring guide replace original plastic one in the gun. It brings maximum durability and it is suitable for the strongest springs.

Unique rotary construction.In the gun, springs sit on the axial bearing. It facilitate spring axial rotation during compression and reduse resistance.

The best is combination of the spring guide and piston head with the bearing. Spring can float between bearings.

Suitable for version 2 gearboxes. (AK, G36, AUG, MP5K)