Product Overview
The Polymer80 PF940C Jig Kit is the essential tooling required to professionally complete a PF940C 80% frame blank. This kit is designed for the experienced firearms enthusiast or hobbyist gunsmith who understands the process of building a firearm for personal use and is seeking the satisfaction and customization of a hands-on project. Its primary use is to accurately guide the cutting and drilling operations necessary to transform an inert Polymer80 PF940C frame blank—a GLOCK® 19-compatible platform—into a functional firearm receiver ready for assembly with aftermarket parts kits. Without this precision jig, completing an 80% frame safely and correctly is virtually impossible.
Key Features
- Durable Fiber-Nylon Composite Construction: Engineered for repeated use, the tough jig body can reliably guide the completion of up to three PF940C frame blanks, maintaining critical alignment throughout its service life.
- Complete Drill Bit Set Included: Comes with the essential 3mm and 4mm drill bits required for the precise drilling of pin holes and other apertures as specified in the frame completion process.
- Two-Sided Jig Design: Features a comprehensive, multi-orientation guide system that securely houses the frame blank and provides all necessary pilot holes and routing channels for a complete and accurate machining sequence.
- PF940C/GLOCK 19 Compatibility: Specifically engineered for the popular PF940C frame blank, which is designed to accept standard GLOCK 19 Gen 3 components, making parts sourcing straightforward for builders.
- Essential for Frame Completion: This kit is not an optional accessory; it is the fundamental tool that enables the safe, precise, and successful machining of your Polymer80 frame to meet proper dimensional specifications.
Performance & Applications
This jig kit serves a focused and critical role in the firearms building process. Its applications are specific to the realm of responsible, personal manufacturing.
Custom Build Platform Completion: The primary application is for individuals building a custom handgun on the widely adopted PF940C platform. The jig ensures the frame is machined to exacting tolerances, allowing for the reliable fitting of a slide, barrel, lower parts kit, and magazine. This is for those seeking a personalized fit, feel, or feature set not found in off-the-shelf options.
Educational Gunsmithing Project: For enthusiasts interested in deepening their mechanical understanding of semi-automatic pistol design and function, using this jig to complete a frame provides hands-on insight into frame geometry, fire control group installation, and the relationship between components. It emphasizes precision, patience, and adherence to technical instructions.
About Polymer80
Polymer80 is a recognized leader in the modern firearms ecosystem, specializing in innovative receiver platforms and advanced polymer formulations. The company has built its reputation on engineering high-strength, dimensionally stable frame blanks and the precise tooling required to complete them. Their products are developed with a clear understanding of the aftermarket build community’s needs, focusing on compatibility, durability, and user empowerment. The PF940C platform itself is a testament to their expertise, offering a proven design that has been successfully completed and assembled by countless individuals following all applicable laws. When you choose a Polymer80 jig, you are utilizing tooling developed by the original equipment manufacturer, ensuring optimal fit and function for their corresponding frame blanks.
Why Buy From Imbert Smither Arms
Located in SAN CARLOS, CA, Imbert Smither Arms operates with a focus on providing specialized components and tooling to the building community. They stock items like the Polymer80 PF940C Jig Kit to support projects that require specific, quality-manufactured tools. Their inventory selection suggests an understanding of the technical needs involved in frame completion, catering to builders who prioritize having the correct equipment for the job.
Make Your Decision
The Polymer80 PF940C Jig Kit is a purpose-built, single-use tool for a specific and technical task. If you are undertaking the project of completing a PF940C 80% frame blank, this kit is a non-negotiable component of that process. Evaluate your readiness for a detailed machining project, ensure you have the other necessary tools and components, and always prioritize safety and compliance with all federal, state, and local regulations. This jig provides the precision foundation; the builder provides the skill, care, and responsibility.
PF940C™ Compact 80% Frame Kit Product Information
Technical Specifications
Frequently Asked Questions
Who is this product for?
This is ideal for discerning buyers who prioritize quality and reliability.
What warranty is included?
Polymer80 stands behind this product with their manufacturer warranty.
What makes this product stand out?
The Polymer80 PF940C Jig Kit for PF940C Frame Blanks combines quality construction with reliable performance, offering exceptional value.
Is this a quality product?
Polymer80 has built their reputation on quality, and the Polymer80 PF940C Jig Kit for PF940C Frame Blanks exemplifies that commitment.





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