Elite Builder Plate E for 80% Lower Jig – AR-15/AR-9/LR-308 | Polymer80
About this product
Enhanced Drill Plate for 80% Lower Jig
The Elite Builder Plate E is a precision-engineered drill template designed to simplify the process of hollowing out the fire control cavity in your 80% lower. By guiding you to drill smaller, individual holes, this plate ensures a smoother and more controlled milling experience, reducing the risk of errors and making it ideal for use with smaller drill presses.
Key Features and Benefits
- Facilitates easier drilling and milling for DIY firearm enthusiasts.
- Compatible with AR-15, AR-9, and LR-308 platforms, offering versatility.
- Enhances accuracy and safety during the build process.
- Durable construction from high-quality materials for long-lasting use.
Technical Specifications
Designed specifically for Polymer80 jigs, this plate integrates seamlessly with our 80% lower receivers, ensuring a perfect fit and optimal performance. It’s an essential tool for completing your build with precision and confidence.

Whether you’re a seasoned builder or new to the world of firearm customization, this drill plate from Polymer80 provides the reliability and ease-of-use you need to achieve professional results at home.
What's in the box
- Elite Builder Plate E for 80% Lower Jig – AR-15/AR-9/LR-308 | Polymer80