NPAS kit for Open Bolt system | Marui and WE | RA-Tech

NPAS Kit for Open Bolt System | Marui and WE | RA-Tech – for your replica

This nozzle kit is an NPAS (Negative Pressure Air System) solution for open bolt GBBR replicas from Tokyo Marui and WE. The system allows you to adjust the FPS of your gas blowback rifle without replacing the main spring. By regulating the gas flow, you can tailor the power output of your replica to different field requirements or seasons. The NPAS system for GBBR is installed in the nozzle assembly and provides direct control over the amount of gas used per shot.

Technical specifications

The kit consists of a metal nozzle valve unit and an L-shaped Allen key for adjustment. The material is metal with a silver finish, ensuring durability and smooth operation. The valve unit features an adjustable opening that can be reduced or enlarged with the included tool. RA-Tech's construction is known for precise tolerances and reliable performance under various temperatures.

Compatibility and application

This NPAS kit is specifically designed for open bolt GBBR systems from Tokyo Marui and WE. Installation requires disassembly of the bolt carrier group and replacement of the original nozzle valve. Basic knowledge of GBBR internals is required for installation. The system works with all common gas types and offers consistent performance during skirmishes. Please note that minor adjustments may be necessary for optimal fit on WE models.

Ready to add the NPAS Kit for Open Bolt System | Marui and WE | RA-Tech to your setup?