Stainless 303 extended nozzle head and spring.
Note: please make sure your hop-up unit is OEM spec otherwise would cause some chopping problem.
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 Stainless Steel 303 Nozzle head
TERM OF USE
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.