VFC Adjustable NPAS Nozzle Kit for M4 and HK416 GBB is a quality VFC manufactured part that improves weapon performance and reduces power fluctuations. This adjustable NPAS (Negative Pressure Air System) nozzle kit allows users to fine-tune the power of their weapon, providing better control and accuracy in game situations. Designed specifically for VFC's M4 and HK416 GBB (Gas Blowback) models.
