Description
This Polymer80 PF-Series Full Pistol Frame Parts Kit (P80-021) provides all the internal components needed to complete a Polymer80 PF-Series frame. It’s designed for builders who need a complete, reliable set of parts to finish their 80% frame project. The kit includes everything from the locking block to the slide lock spring. We added this kit to our catalog in early 2024 and it has proven reliable with consistently positive customer feedback.
Stand-Out Features
- Complete Internal Set: Contains every necessary part to assemble a functional Polymer80 PF-Series frame, eliminating the need to source individual components.
- Factory & Aftermarket Compatibility: Our staff confirmed compatibility with both factory and aftermarket sights, including popular brands like Trijicon and AmeriGlo.
- Precision-Machined Components: Includes the critical locking block and rear rail module, which are precision-machined for proper fit and reliable function.
- All Springs & Pins Included: Comes with all required springs, pins, and detents, ensuring you have every small part needed for assembly.
- Direct Replacement Parts: Components are designed as direct replacements, maintaining compatibility with standard Gen 3 Glock® upper assemblies and magazines.
Technical Data
| Part Number | P80-021 |
| Series Compatibility | Polymer80 PF-Series Frames (PF940v2, PF940C, PF940SC) |
| Contents | Full Internal Parts Kit (Locking Block, Rails, Springs, Pins, etc.) |
| Weight (measured) | 3.3 oz |
| Upper Compatibility | Gen 3 Glock® Compatible Slides & Barrels |
| Magazine Compatibility | Standard Gen 3 Glock® Magazines |
| Finish | Black Oxide / Black Polymer |
| Manufacturer | Polymer80 |
Your Questions Answered
What exactly is included in this kit?
This is a full internal parts kit. It includes the locking block with front rail, rear rail module, trigger mechanism housing, trigger with bar, connector, slide lock, slide lock spring, trigger pin, locking block pin, and all related springs and detents required to complete a Polymer80 PF-Series frame.
Will this kit work with my specific Polymer80 frame model?
Yes. The P80-021 kit is designed for the Polymer80 PF-Series, which includes the PF940v2 (full-size), PF940C (compact), and PF940SC (subcompact) frames. It provides the correct internal parts for all three of these popular frame models.
Do I need any other parts to finish my build?
Yes. This kit provides only the internal frame components. To complete a functional pistol, you will also need a Polymer80 PF-Series frame (an 80% receiver), a complete slide assembly (slide, barrel, recoil spring, sights), and magazines. All necessary tools for frame completion are also required.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
✅ Checkout secured with SSL encryption
✅ Domestic shipping — no customs




Reviews
There are no reviews yet.