Firestar
Modular HPA platform — 3MF download on store; full STL via The Lab
Free
Checkout download: 3MF package. Geo-restricted — not available in Brazil (admin excepted).
File format on this page
The checkout download for Firestar is delivered as a 3MF package (optimized for slicers). Need the full platform as individual STL files?
Join The Lab — members get the complete Firestar STL platform plus exclusive upgrades (Picatinny upper, extended handguard, and more).
Details
Firestar is a fully modular 3D printable HPA platform engineered for Polarstar engines.
Designed for digital manufacturing, it delivers precise engine alignment, simplified assembly, and complete customization.
Compatible with Polarstar F2™ and Jack™ engines.
What you download here (store)
This listing delivers a 3MF print package (slicer-ready). Symbolic checkout price tracks each download.
Want the full platform as individual STL files? Join The Lab — members get the complete Firestar STL platform (the only full platform in membership) plus exclusive upgrades.
Required hardware (not included)
STL/3MF files only. You source airsoft components and hardware separately.
HPA engine
- Polarstar F2™ or Jack™.
Barrel / hop-up
- Standard M4 hop-up (Prowin, Maxx Model, or PolarStar interface).
- Precision inner barrel (160 mm recommended).
- Standard M4/AEG trigger blade.
Fasteners
- M3 heat-set inserts, M3 screws, M5 where specified.
License
Personal use only. No commercial use or redistribution.