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
SKU: O14
$25.00価格