Elite Builder 80% Lower Jig (AR-10/.308) | Polymer80

About this product

Complete Your AR-10 Build with the Elite Builder 80% Lower Jig

Finish your AR-10 80% lower efficiently and accurately with the Elite Builder Jig, now optimized for .308 platforms. This precision jig is engineered to work seamlessly with DPMS (LR-308) 80% lowers, whether forged or billet, providing a straightforward solution for home gunsmiths. Included are high-speed steel (HSS) drill and end mill bits specifically designed for machining aluminum receivers, ensuring clean cuts and durability.

What’s Included in the Kit

• (1) ⅜” Drill Bit – 5″ length
• (1) 5/32″ Drill Bit – 3″ length
• (1) ⅜” Short End Mill – 3″ length
• (1) 5/16″ Short End Mill – 4″ length
• (1) ⅜” Long End Mill – 4″ length

Key Features and Specifications

• Self-aligning design eliminates the need for special fitting during setup
• Black anodized finish for rust and corrosion resistance
• Pre-drilled holes for hammer, trigger, and safety pins for precise alignment
• Reinforced steel template plates allow for multiple lower completions
• Compatible exclusively with drill presses; not for use with routers

Backed by Polymer80‘s reputation for quality and innovation, this jig comes with easy-to-follow instructions and guides, making it ideal for both beginners and experienced builders. Always follow safety guidelines and local regulations when working on firearm components.

Note: This product is designed for use with a drill press only. Router use is not recommended and may void warranties.