This 80 Percent Lower is a precision-machined 7075-T6 aluminum receiver blank, the essential starting point for your custom AR-15 build. It arrives as a raw forging, requiring final machining to become a functional firearm receiver. The unfinished state provides a legal path to a personalized rifle, and its forged aluminum construction ensures a durable foundation compatible with standard AR-15 parts and multi-caliber builds.
Key Features
- Forged from 7075-T6 aircraft-grade aluminum for maximum strength and durability.
- Raw, unfinished state allows for personal machining and custom serialization.
- Compatible with standard AR-15 lower parts kits and multi-caliber uppers.
- Precisely located pilot holes and fire control cavity for accurate jig alignment.
- Provides a complete starting point for a personalized, from-the-ground-up build.
Specifications
| Caliber / Type | AR-15 Multi-Caliber Receiver Blank |
|---|---|
| Material | 7075-T6 Aluminum Forging |
| Finish | Raw, Unfinished |
| Compatibility | Standard AR-15 Platform |
| Weight | Approx. 8 oz. |
This 80% lower is the core component for a true builder’s project. Its forged 7075-T6 aluminum provides a stronger foundation than cast alternatives, critical for a reliable firearm. By completing the machining yourself, you gain a deep understanding of the AR-15 platform’s function and create a receiver that is uniquely yours, all while adhering to federal guidelines for personal manufacturing.
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