Z-Parts Aluminum Nozzle Set For VFC HK416 / M4 PFAS Airsoft

Z-Parts Aluminum Nozzle Set For VFC HK416 / M4 PFAS Airsoft Aluminum Construction Airsoft Nozzle Set Features an FPAS (FPS Adjustment System) for tuning FPS levels of VFC AR GBB Rifle Suitable For VFC HK416 / M4 PFAS Airsoft Gas Blow Back GBB Rifle Also fit For Umarex (Elite Force) HK416 series gas airsoft rifles (by VFC)