PolarStar F2 Nozzle – #21
The PolarStar F2 Nozzle #21 is a platform-specific nozzle for PolarStar F2 HPA engine installations. Each PolarStar F2 nozzle number corresponds to a specific AEG body or platform group — Nozzle #21 provides the correct length and geometry for the specific platform or platforms that require this nozzle specification for reliable BB feed and hop-up interface in an F2 build.
PolarStar is one of the leading HPA engine manufacturers in airsoft. For operators building an F2 HPA conversion, confirm the correct nozzle number for your specific AEG body from the PolarStar compatibility chart, and select #21 if your platform requires it.
- PolarStar F2 Nozzle — #21
- Platform-specific nozzle for F2 HPA engine installations
- Verify nozzle number against your specific AEG body before ordering
- Made by PolarStar Airsoft — leading HPA engine manufacturer



