The 80% Lower Fire/Safe Marked – Raw is a precision-machined 7075-T6 aluminum forging, designed for builders who want a clean slate. This raw, unfinished receiver is compatible with standard AR-15 components and chambered in .223/5.56 NATO. The distinct “FIRE” and “SAFE” markings are pre-engraved, providing clear reference points for your selector detent holes during the final machining process.
Key Features
- Forged from 7075-T6 aircraft-grade aluminum for maximum strength and durability.
- Raw, unfinished surface allows for complete customization of anodizing, Cerakote, or other finishes.
- Pre-engraved “FIRE” and “SAFE” markings aid in precise selector detent hole placement.
- Compatible with all standard AR-15 lower parts kits (LPK) and mil-spec upper receivers.
- Requires final machining of the fire control group pocket, trigger pin holes, and selector detent holes.
Specifications
| Caliber / Type | .223 Remington / 5.56 NATO (Multi-Caliber AR-15) |
|---|---|
| Material | 7075-T6 Aluminum Forging |
| Finish | Raw / Unfinished |
| Compatibility | Standard AR-15 Platform |
| Weight | Approx. 8.5 oz (unfinished) |
This raw 80% lower is a builder’s core component. The 7075-T6 forging provides a robust foundation that machines cleanly. The pre-marked selector positions are a critical guide, reducing the risk of misalignment during drilling. This part is intended for personal manufacturing, not as a firearm, and requires tools, skill, and adherence to all federal and state laws to complete.
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