This 80 percent lower is for builders who want a reliable foundation for their custom firearm project. It arrives unfinished, requiring final machining to complete, which allows for personalization while maintaining compliance. Since we added it to our shelves in January 2026, customer feedback has been consistently positive, with a low return rate indicating buyers get exactly what they expect from this component.
Key Highlights
- Designed for reliable function with a variety of ammunition types.
- Precision-machined from high-quality aluminum alloy.
- Compatible with standard AR-15 jigs and tooling.
- Features clean, sharp fire control group pockets for easier finishing.
- No serial number, making it a true blank canvas for your build.
Product Details
| Material | 7075-T6 Aluminum |
| Finish | Raw, Unfinished |
| Platform | AR-15 / Multi-Caliber |
| Weight (measured) | 2.8 oz |
| Fire Control Group | Mil-Spec |
| Trigger Pocket | Pre-machined, requires final finishing |
| Safety Selector Hole | Pre-drilled |
| Compatibility | Standard AR-15 parts kits |
What Buyers Ask
What tools are needed to complete this 80% lower?
You will need a drill press or router, a compatible jig, and standard drill bits and end mills. The process involves finishing the fire control group pocket and drilling the trigger pin holes to final dimension. We recommend using a dedicated AR-15 80% lower jig for best results.
Is this compatible with all AR-15 parts kits?
Yes, this lower is designed for standard mil-spec AR-15 parts kits. It will accept standard upper receivers, buffer tubes, triggers, and other common components. Our staff testing confirms it feeds reliably with both brass and steel case ammunition when assembled correctly.
What is your shipping and packaging policy?
We ship from our Joplin, MO warehouse. Orders placed before 3 PM CT on business days ship the same day. All items are shipped in plain, discreet packaging with no logos or product names indicated on the outside of the box for your privacy.
✅ Ships same business day before 3 PM
✅ No logos or product names on package
✅ Full refund within 30 days
✅ Secure payment processing
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