The Polymer80 PF940Cv1™ 80% Compact Frame and Jig Kit provides the foundation for a custom Glock® 19/23 compatible build. This kit is for builders seeking a reliable, serialized-ready platform with a proven track record. Since we began carrying it in mid-2024, it has become a consistent best-seller due to its straightforward completion process and durability.
Key Features
- Complete 80% frame and precision-machined jig for a clean, accurate build.
- Compatible with Glock® 19 Gen 3 and Glock® 23 Gen 3 OEM and aftermarket parts.
- Includes all necessary frame completion components: rear rail module, locking block, and pins.
- Enhanced ergonomic grip texture and undercut trigger guard for improved control.
- Designed for serialization in accordance with applicable laws before completion.
Specifications
| Model | PF940Cv1™ |
| Compatibility | Glock® 19/23 (Gen 3) |
| Frame Material | Fiber-Reinforced Polymer |
| Jig Material | Hardened Polymer |
| Weight (measured) | 1.4 oz |
| Included Components | 80% Frame, Jig, Rear Rail, Locking Block, Pins |
| Finish | Matte Black |
Frequently Asked Questions
What tools are required to complete this 80% frame?
You will need a drill press or hand drill, a Dremel tool or router with a 1/4″ router bit, and standard hand tools. The jig provides the necessary guide holes and channels for milling.
Is this compatible with Gen 4 or Gen 5 Glock parts?
No. The PF940Cv1 is specifically designed for Generation 3 Glock 19 and 23 slides, barrels, and internal parts. Some aftermarket parts kits are marketed as universal but are based on the Gen 3 footprint.
How has the reliability been for this product?
In over a year of selling this specific kit, we have had zero warranty claims, indicating a high level of manufacturing consistency and customer satisfaction with the final build quality.
✅ Same-day shipping from Atlanta, GA
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout





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