The Polymer80 PF45™ 80% Full Size Frame and Jig Kit is designed for builders seeking a custom large-format Glock® 20/21 compatible platform. This kit provides the foundation for a .45 ACP or 10mm build, requiring standard tools and finishing steps. Since adding it to our catalog in early 2024, this kit has proven reliable with consistently positive customer feedback.
Key Features
- Compatible with Glock® 20 (10mm) and Glock® 21 (.45 ACP) OEM parts and aftermarket slides.
- Includes a precision-machined aluminum jig and necessary drill bits for completing the 80% frame.
- Constructed from durable, reinforced polymer for a solid foundation.
- Features an ergonomic grip angle and integrated Picatinny accessory rail.
- Our staff notes it pairs well with an extended slide release for faster reloads.
Specifications
| Model | PF45™ |
| Compatibility | Glock® 20 / 21 |
| Frame Type | 80% Full Size |
| Caliber | 10mm, .45 ACP |
| Material | Reinforced Polymer |
| Includes | Frame, Jig, Drill Bits, Pins |
| Weight (measured) | 2.0 oz |
| Rail | Integrated Picatinny |
Frequently Asked Questions
What tools are needed to complete this 80% frame?
You will need a hand drill or drill press, a vise, a file or Dremel tool, and sandpaper. The included jig and drill bits guide the milling process for the fire control group.
Does this work with both Glock 20 and 21 slides?
Yes. The PF45™ frame is designed to accept OEM or aftermarket slides and parts kits for both the Glock 20 (10mm) and Glock 21 (.45 ACP) models.
Is the jig reusable?
The included aluminum jig is designed for a single use to ensure precision alignment during the drilling and milling process for your specific frame.
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