- Nouveau
Ra-Tech NPAS KIT GBBR
Colour: Black and Silver
Material: Stainless Steel
Weight: 20g
Compatibility: Tokyo Marui M4 MWS Gas Blowback
Ref: RAG-MARUI-060 / RAT0101
What is NPAS
The RA Tech NPAS (Negative Pressure Air System) enables the FPS of your rifle to be adjusted according to different site limits and changes in ambient temperature. ... Kit fits all Tokyo Marui MWS M4 gas blowback rifles/SMG's that use a two part loading nozzle.