ZC M4 type Gear Box Stainless steel Spring Set

・ Manufacturer: ZC

・Material: Steel

・Weight: about 28g

・Product dimensions: total length: about 52mm, total width: about 20cm, height: about 15mm

・Compatibility: Ver2 compliant QD mechanical box


It is a plastic spring guide for Ver2 M4 QD mechanical box.

There is a bearing at the end part to eliminate spring interference and torsion.