80% AR-15 Easy Jig® Gen 1
$149.99
Finish 80% AR-15 lowers easily with the Easy Jig® Gen 1. Router-based, built-in depth gauge, durable CNC aluminum for accurate milling at home.
80% AR-15 Easy Jig® Gen 1
The 80% AR-15 Easy Jig® Gen 1 is a high-quality milling jig specifically designed to make finishing 80% AR-15 lower receivers easier, faster, and safer at home. This router-based jig system eliminates the need for a drill press and provides the precision needed to convert an 80% lower into a fully functional firearm receiver ready for assembly.
Key Features and Specifications
Built-in Depth Gauge: Allows for precise depth control during milling, ensuring accurate routing of the trigger pocket, fire control cavity, and buffer tube areas.
Compatibility: Designed to work with most handheld routers and standard 80% AR-15 lowers including forged and billet styles.
Material: Made from CNC-machined solid billet aluminum for durability and stability during milling operations.
Easy Installation: The jig clamps securely in a vise, enabling hands-free milling with consistent results.
Complete Milling System: Includes all necessary templates, top plates, guide pins, and hardware to finish the inside cavities and drill holes for pins and selector switches.
Reduced Milling Time: Builders can complete milling jobs in under one hour with careful routing and drilling.
Safety: Eliminates the risks associated with unsecured milling by providing a stable and guided cutting environment.
Made in the USA: Precision manufactured with strict quality control ensuring consistent performance.
Usage and Benefits
The Easy Jig Gen 1 is perfect for DIY enthusiasts and gunsmiths looking to build their own AR-15 lower receivers without the cost and complexity of CNC machines or drill presses. By following step-by-step milling instructions, the jig guides users to produce a receiver that meets mil-spec tolerances, ensuring a smooth assembly process and reliable firearm function.
This jig system supports multiple applications including AR-15, AR-9, and AR-45 platforms, allowing versatile use across various firearm builds.
Packaging and Support
Packaged securely with all hardware, templates, and detailed instructions, the Easy Jig Gen 1 is backed by Polymer80USA’s customer service and warranty program, offering technical assistance and replacement parts if needed.
Why Choose the 80% AR-15 Easy Jig® Gen 1?
For builders seeking a trusted, proven, and user-friendly method to complete their 80% receivers, the Easy Jig Gen 1 offers a balance of precision, ease-of-use, and durability. It fast tracks the milling process and reduces errors, helping users confidently build firearms compliant with legal regulations.


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