Yellow piston to show your love of HAO.
Form by tough PC, work in your cylinder like a charm.
Best recommendation use on HAO advance one-piece cylinder with minor tolerance and best air-tight! Competible with Systema OEM cylinder. Other third-party cylinder don't recommend.
Enhanced Polymer piston
Term Of Use:
All the products are made and design for Airsoft use. Any modification of structure, exterior, appearance or painting, marking or wiping the cover/instruction on the merchandise may lead to violate your nation's law regulation. Customers shall bear the full legal liability after the modification.
- HAO's Yellow polymer injected piston