Diamondback Firearms DB15 Diamond Series Stripped Lower Multi Caliber Aluminum Black
$84.90
The Diamondback Firearms DB15 Diamond Series Stripped Lower is an exceptional foundation for your next custom build, crafted from durable forged 7075 T6 aluminum. Designed for multi-caliber versatility, this lower receiver is compatible with .223, 5.56, and .300 Blackout cartridges, making it a solid choice for a variety of shooting applications. Its sleek black finish not only enhances aesthetics but also provides corrosion resistance for long-lasting performance.
Out of stock
DB15 223/556/300 BLACKOUT DIAMOND SERIES STRIPPED LOWER BLACK
DB15 FORGED 7075 T6 ALUMINUM LOWER RECEIVER BLACK MULTI CALIBER
| Weight | 1.100 lbs |
|---|---|
| Dimensions | 10.500 × 5.250 × 3.250 in |
| Manufacturer | Diamondback |
| Finish | Black |
| Frame Material | Aluminum |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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