Description
The Polymer80 PF940CL is an 80% compact long-slide frame and jig kit designed for builders who want a Glock 19-sized grip paired with a Glock 17-length slide. This hybrid platform offers a fantastic balance of capacity and concealability. It’s become one of our most consistent reorder items since we started carrying it in late 2025, proving its popularity with experienced builders.
Stand-Out Features
- Compact/Long-Slide Hybrid: Combines the shorter, concealable grip of a G19 with the longer sight radius and slide of a G17 for enhanced accuracy.
- Complete Jig Kit Included: Everything you need for precise milling and drilling is in the box, ready for your tools.
- Reinforced Polymer Frame: Polymer80’s proprietary blend offers excellent durability and a rigid, ergonomic platform.
- Serial Number Area: Features a flat, clean surface for applying a serial number in accordance with applicable laws.
- Proven Compatibility: Designed to work flawlessly with OEM Gen 3 Glock 17/19/34 parts kits and slides.
Technical Data
| Model | PF940CL |
| Platform | Glock Gen 3 |
| Grip Size | Compact (G19) |
| Slide Compatibility | Full-Size (G17 length) |
| Frame Completion | 80% |
| Weight (measured) | 3.3 oz |
| Material | Reinforced Polymer |
| Includes | Frame, Jig, Drill Bits, Pins |
Your Questions Answered
Will aftermarket frames or parts kits work with this?
We recommend OEM Gen 3 Glock parts for guaranteed fit and function. One customer had a “too tight” issue that was traced directly to an aftermarket frame. The PF940CL is engineered to the OEM spec.
What tools do I need to complete this 80% frame?
You’ll need a hand drill or drill press, a Dremel tool or router with a 1/4″ shank, and basic hand tools. The included jig guides the milling and drilling process precisely.
Is this compatible with a Glock 19 slide?
No. The PF940CL is designed specifically for the longer, full-size Glock 17 (or 34) slide. The “CL” stands for Compact Long-slide, meaning compact grip, long slide.
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