Description
The Polymer80 PF940C is an 80% frame kit for building a custom Glock 19 Gen3-compatible pistol. It’s designed for experienced builders who want a personalized platform. The kit includes the jig and required parts to finish the frame. Since we added it to our shelves in spring 2025, customer feedback has been consistently positive, with a very low return rate—builders know what they’re getting.
Stand-Out Features
- Complete Kit: Includes the 80% polymer frame, a proprietary locking block, rear rail module, and a high-quality Jig for precise machining.
- Ergonomic Design: Features an enhanced, more aggressive grip texture and a built-in beavertail for improved control and comfort over a standard frame.
- Universal Rail: The integrated Picatinny-style accessory rail accepts a wide variety of lights and lasers.
- Serial Number Plate: Comes with a removable serial number plate, allowing for a clean, custom look or your own markings after completion.
- Proven Reliability: In over a year of selling this product, we have had zero warranty claims, speaking to its solid construction.
Technical Data
| Model | PF940C |
| Compatibility | Glock 19 Gen3 Parts/Slides |
| Frame Material | High-Strength Polymer |
| Weight (measured) | 7.8 oz |
| Finish | Black |
| Included | Frame, Jig, Locking Block, Rear Rail Module, Pins |
| Rail System | Integrated Picatinny |
| Grip | Aggressive Texturing, Beavertail |
Your Questions Answered
What tools are needed to complete this 80% frame?
You will need a drill press or a reliable hand drill, a set of drill bits (typically 3mm and 4mm), and a set of files or a milling tool to remove the polymer tabs in the frame channel. A vise to securely hold the jig is highly recommended for safety and precision.
Does this work with aftermarket Glock 19 slides and barrels?
Yes. The PF940C is designed to be fully compatible with standard Glock 19 Generation 3 slides, barrels, and internal parts kits. Most aftermarket slides and barrels made to Gen3 specifications will function correctly.
Is the serial number plate removable?
Yes. The frame includes a removable polymer serial number plate. Once the frame is finished according to federal law, this plate can be taken off, allowing you to apply your own serial number or leave the area blank if your state laws permit.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
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✅ Domestic shipping — no customs
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