Pro Arms 120% Air Nozzle Spring for Umarex / VFC G17 Gen3 / Gen4, G19 Gen3 Category_O-Ring The side and back inner

The side and back inner plastic spacers are specific to the magazine size

- 80 degree: 490 FPS up

G20/21) or

Item Code : RS-WG-01

Pro Arms 120% Air Nozzle Spring for Umarex / VFC G17 Gen3 / Gen4, G19 Gen3 Category_O-Ring The side and back innerFit for Umarex VFC G17 Gen3 Gen4, G19 Gen3 GBB Series Material: Steel Enhanced durability and stronger return tension 2pcs in 1 pack Color: Silver Item no.: PA VFC G 007 * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for