RA-TECH WE M4 magnetically locked NPAS loading nozzle + bolt combines a high-quality steel bolt and RA-Tech’s latest NPAS innovations. The NPAS feature allows adjustment of gas flow inside the loading nozzle, enabling control of muzzle velocity. The magnetic NPAS lock secures the flow valve in the desired position, improving consistency in muzzle velocity, as the magnetic lock ensures NPAS components remain in the same position for every shot.
- Compatibility: WE M4/M16/416/T91 GBB (M4/M16/416/T91 GBB)
- Improved cold resistance and reduced gas consumption
- Stabilizes muzzle velocity variations
- Adjustable muzzle velocity
- Includes NPAS adjustment tool
- Patented RA-TECH magnetic NPAS locking system
ENG product name: RA-TECH M4 Magnetic Locking NPAS plastic complete bolt carrier set
