DIAMONDBACK FIREARMS DB15D - 556 NATO - FDE - 16" - MLOK - 10+1
Diamondback FirearmsThe Diamondback Firearms DB15D in 5.56 NATO delivers a battle-proven AR-15 platform wrapped in a rugged Flat Dark Earth Cerakote finish, purpose-built for reliability, modularity, and performance straight out of the box.
- 16" barrel chambered in 5.56 NATO / .223 Rem for versatile performance
- FDE Cerakote finish provides corrosion resistance and tactical aesthetics
- Forged 7075 T-6 aluminum receiver for superior strength-to-weight ratio
- M-LOK handguard enables easy attachment of lights, grips, and accessories
- Magpul ACS-L collapsible/folding stock for adjustable length of pull
- Includes one 10-round Magpul PMAG, California-compliant and range-ready
Who This Is For
The DB15D FDE is an excellent choice for California-based shooters, home defenders, and AR-15 enthusiasts who want a feature-rich, mil-spec-quality rifle without the premium price tag. Its M-LOK platform and Magpul furniture make it a strong foundation for customization, while the reliable 5.56 NATO chambering suits everything from range days to practical shooting competitions.
Specifications
| Brand | Diamondback Firearms |
|---|---|
| Model | DB15D |
| Caliber | 5.56 NATO / .223 Rem |
| Barrel Length | 16" |
| Capacity | 10+1 (CA Compliant) |
| Finish | FDE Cerakote |
| Receiver | Forged 7075 T-6 Aluminum |
| Handguard | M-LOK Compatible |
| Stock | Magpul ACS-L Collapsible/Folding |
| Sights | No Sights Included |
| Magazine Included | 1 × 10-Round Magpul PMAG |
| Action | Semi-Automatic |
Frequently Asked Questions
Is the Diamondback DB15D legal to purchase in California?
Yes. The DB15D as configured for sale at Goodland Guns is California-compliant, shipped with a 10+1 capacity magazine. Buyers should ensure they are purchasing through a licensed California FFL dealer and comply with all applicable state transfer requirements, including the mandatory waiting period and background check.
Does the DB15D come with iron sights or an optic?
No — the DB15D does not include iron sights or an optic from the factory. The flat top Picatinny rail upper receiver makes it straightforward to mount your preferred red dot, scope, or backup iron sights. Many shooters pair it with a 1–4x LPVO or a compact red dot for versatile performance.
What accessories are compatible with the M-LOK handguard?
The M-LOK system on the DB15D is compatible with a wide range of aftermarket accessories, including tactical flashlights, vertical foregrips, angled grips, bipods, and sling mounts from leading brands like Magpul, Streamlight, and Arisaka. Simply align any M-LOK-spec accessory with the slots on the handguard and secure with the provided hardware for a rock-solid fit.
- Caliber:
- 556 NATO
- Color:
- FDE
- Barrel Length:
- 16"
- Style:
- MLOK
- Capacity:
- 10+1
- Muzzle Type:
- Flash Hider
- Gas System:
- DI
- CA Compliant:
- Yes