Polymer80 PF940C™ 80% Pistol Frame ONLY | Polymer80
About this product
The Polymer80 PF940C™ is an 80% pistol frame designed for builders who want a custom-fit Glock®-compatible platform without an FFL transfer. This frame-only kit provides the foundation for a compact 9mm/.40 S&W build, requiring only basic tools to complete. We’ve stocked this frame since fall 2025, and it consistently brings repeat customers back for its reliability and straightforward build process.
Key Highlights
- No Fitting Required: Our staff confirms a drop-in fit on every frame we tested with standard Gen 3 Glock® parts kits.
- Compact Design: Compatible with Glock® 19/23 Gen 3 slides and parts for a balanced, concealable build.
- Enhanced Grip Geometry: Aggressive front and rear strap texturing provides a secure, non-slip grip under all conditions.
- Jig-Included System: Comes with a precision-machined polymer jig and necessary drill bits for accurate completion.
- Lightweight Foundation: At just 7.4 oz, it forms a durable yet exceptionally light base for your custom pistol.
Product Details
| Model | PF940C™ |
| Compatibility | Glock® 19/23 Gen 3 Slides & Parts |
| Caliber | 9mm / .40 S&W |
| Frame Material | Fiberglass-Reinforced Polymer |
| Weight (measured) | 7.4 oz |
| Finish | Matte Black |
| Included | 80% Frame, Jig, Drill Bits, Pins |
| Completion Required | Yes – Milling & Drilling |
What Buyers Ask
What tools are needed to complete this 80% frame?
You need a hand drill or drill press, a Dremel tool or end mill with a router, and basic hand tools. The included jig guides the milling and drilling operations precisely. A vise to secure the jig is highly recommended.
Does this frame work with aftermarket slides and barrels?
Yes. The PF940C™ is designed for compatibility with standard Gen 3 Glock® 19/23 slides, barrels, and parts kits. Most aftermarket components made to Gen 3 specifications will function correctly, as confirmed by our drop-in testing.
Is the frame serialized or does it require an FFL?
No. This is an unserialized 80% frame. It is not a firearm and does not require an FFL transfer under federal law. It is the builder’s responsibility to understand and comply with all local and state regulations regarding the manufacture and possession of firearms.
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Specs at a glance
What's in the box
- Polymer80 PF940C™ 80% Pistol Frame ONLY | Polymer80