Polymer80 PF940Cv1 80% Compact Frame and Jig Kit (Glock 19/23 Compatible)

Overview

The Polymer80 PF940Cv1 80% Compact Frame and Jig Kit (Glock 19/23 Compatible) represents a precision-engineered foundation for building a custom compact pistol. Designed to accept Gen3 Glock 19 and Glock 23 upper assemblies, this 80% frame kit is machined from high-strength, glass-reinforced polymer. The kit includes the PF940Cv1 frame, a complete jig system, and all necessary drill bits and tooling to complete the frame at your home workshop. This kit is the cornerstone of a legal, non-serialized firearm frame project for qualified builders who understand federal and state regulations. The polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) is engineered for repeatable accuracy and durability, meeting the exacting standards of the Polymer80 brand. Every component is manufactured to tight tolerances, ensuring proper fitment with factory-spec Glock parts. The kit’s integrated jig system guides the user through the three required material removal steps, delivering a professional-grade result without specialized machinery. This polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) is a direct replacement for standard compact frames, offering enhanced ergonomics and a textured grip surface.

Features and Specs

The PF940Cv1 frame is constructed using a proprietary polymer blend that resists impact, UV degradation, and chemical solvents common in firearm maintenance. The integrated jig system is CNC-machined from billet aluminum, providing rigid alignment for drilling pin holes and milling the trigger housing pocket. Key specifications include compatibility with Glock Gen3 19 and 23 slide assemblies, a standard 1913 Picatinny accessory rail, and an optimized 17-degree grip angle. The kit includes bits for 3/32-inch, 1/8-inch, and 5/32-inch drilling operations, along with a 1/4-inch end mill for material removal. The frame features a replaceable backstrap system with two included inserts for customizing grip circumference. The polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) also includes a trigger housing pin hole that is pre-drilled to 0.125 inches, reducing the number of critical operations.

• Material: Glass-reinforced nylon polymer frame; 6061 aluminum jig
• Compatibility: Glock 19 Gen3, Glock 23 Gen3; all Gen3 LPK and UPK parts
• Included: Frame, jig, drill bits (3 sizes), end mill, alignment pins, instructions

• Weight: 2.8 lbs kit weight; 0.65 lbs completed frame weight
• Dimensions: Compact length (7.0 inches overall); 4.5-inch barrel compatibility
• Rail system: Integrated 1913 Picatinny with two slots

• Finish: Textured front and rear serrations; aggressive stippling pattern on grip
• Hardware: All steel bits are HSS coated for extended life
• Warranty: Manufacturer defect coverage for one year from date of purchase

Who It Is For

This kit is designed for experienced firearm builders, hobbyists, and shooters who require a compact frame platform for custom builds. It is ideal for those who already possess a Glock 19 or 23 upper assembly and seek a non-serialized frame to complete a build. The polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) is also suitable for gunsmiths looking to offer custom compact frame services. It is not intended for first-time builders without prior experience with drilling or milling operations. Users must verify local, state, and federal laws regarding 80% frames before purchase. This kit is for individuals who understand that completing an 80% frame requires mechanical skill and attention to detail. The compact form factor makes it a strong choice for concealed carry builds where reduced grip length is prioritized. If you are a dedicated shooter seeking a reliable platform for competition, training, or personal defense, this kit provides the necessary foundation. The polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) is also a practical choice for those who want to learn the assembly process without purchasing a complete firearm.

Shipping and FFL

This polymer80 pf940cv1 80% compact frame and jig kit (glock 19/23 compatible) ships directly to your residential or business address with no Federal Firearms License (FFL) transfer required. As an 80% frame, it is not classified as a firearm under federal law and does not require background checks or transfer through a licensed dealer. However, it is the customer’s sole responsibility to verify that their local and state laws permit the possession, completion, and use of 80% frames. Some states and municipalities impose restrictions or prohibitions on such items. By purchasing this kit, you confirm that you are legally eligible to own a firearm and that you will comply with all applicable laws during the completion process. We recommend consulting with a legal professional if you have any doubt about the legality in your jurisdiction. No returns are accepted on completed or modified frames. All sales are final once the kit is opened. Shipping is via ground carriers with tracking provided upon dispatch. Lead times are typically 3 to 5 business days for in-stock items. This product is not available for shipment to California, New York, New Jersey, Massachusetts, Connecticut, Washington D.C., or any other jurisdiction with active prohibitions on 80% frames.