Description
This is the Polymer80 PF940Cv1 80% frame kit, designed for building a compact Glock 19 or 23 Gen 3 compatible pistol. It’s for the enthusiast who wants a hands-on project to create a custom, serialized firearm. The key benefit is the ability to build a reliable platform with a personalized grip and feel. Since we started carrying it in spring 2025, this kit has consistently been a top seller, especially on weekends when customers are planning their next range trip.
Stand-Out Features
- 80% Complete Frame: The polymer frame arrives ready for you to finish the final machining steps, making it a true builder’s project.
- Enhanced Grip Geometry: Features a more aggressive texturing and an undercut trigger guard for improved control and a higher, more comfortable grip.
- Integrated Jig System: Includes the necessary jig and drill bits, providing a guided system to complete the frame accurately and safely.
- Durable Polymer Construction: Made from a robust, glass-filled polymer that maintains the lightweight characteristic while offering solid durability.
- Full Parts Kit Included: Comes with all the required lower parts—rails, pins, locking block, and more—so you have everything needed to complete the frame assembly.
Technical Data
| Compatibility | Glock 19 / 23 Gen 3 Uppers |
| Frame Material | Glass-Filled Polymer |
| Frame Finish | 80% (Requires Completion) |
| Weight (measured) | 5.9 oz |
| Included Components | Frame, Jig, Drill Bits, Rails, Pins, Locking Block |
| Grip Style | Aggressive Texturing, Undercut Trigger Guard |
| Color | Black |
Your Questions Answered
What tools do I need to complete this frame?
You will need a hand drill or drill press, a Dremel tool or router with a 1/4″ bit, and basic hand tools like files and sandpaper. The included jig guides the drilling and milling process. Always wear safety glasses and work in a well-ventilated area.
Is this compatible with aftermarket Glock slides and barrels?
Yes. Once completed, this frame is designed to accept standard Glock 19 Gen 3 slides, barrels, and upper parts kits. It also works with most aftermarket slides and components made to Gen 3 specifications.
What is the legal status of this item?
This is an 80% frame, not a firearm. It is your responsibility to understand and comply with all federal, state, and local laws regarding the purchase, completion, and serialization of such items before ordering. Completion creates a firearm which must be serialized in accordance with ATF Rule 2021-05F if sold or transferred.
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