Diamondback DB15 Extended Line 5.56 NATO 16″ Black 15″ M-LOK Rail
DBF DB15 16″ Extended Line w/ 15″ M-LOK Rail 5.56 NATO Black
Feature-rich AR-15 carbine built with a free-float M-LOK rail and durable black finish.
DBF DB15 16″ Extended Line w/ 15″ M-LOK Rail 5.56 NATO Black
The Diamondback DB15 Extended Line is designed for shooters who know what they want. Designed for enhanced shooting performance and distinct design elements, each rifle embodies the premium craftsmanship and rugged reliability for which the DB15 platform is known.
Whether you’re looking for a bold aesthetic, improved ergonomics, or mission-ready versatility, Diamondback offers a model to match your shooting needs. Built in the USA and backed by Diamondback’s reputation for quality, the DB15 is your go-to when standard just won’t cut it.
Finish: Black Hardcoat Anodize
Caliber: 5.56 NATO
Barrel: 16 in, 1:8 RH, Medium, 4150 CrMov, Black Nitride
Gas System: Carbine Length
BCG: Shot-Peened, Magnetic Particle Inspected Mil-Spec 8620 Carrier
Upper: A3 Flattop Forged 7075 T-6 Aluminum
Lower: Forged 7075 T-6 Aluminum (Diamondback Carbon Lower)
Handguard: 15 in M-LOK Rail
Grip: Magpul MOE Grip
Stock | Brace:
Magazine: Magpul Gen M2 PMAG, 30 Round
Sights: None
Muzzle Device: A2 Flash Hider (1/2 x 28)
Trigger: Standard Mil-Spec
Weight: 6.6 lbs
Length (Collapsed / Extended): 32 1/2 in.

Specifications
- Manufacturer: Diamondback Firearms
- Model: DB15
- Action: Semi-Auto
- Caliber/Gauge: .223 REM/5.56 NATO
- Barrel Length: 16″
- Capacity: 30 + 1
- Magazines Included: 1 x 30-Round
- Finish: Black
- Barrel Finish: Black Melonite
- Sights: No Sights
- Safety: Manual Thumb
- Twist Rate: 1-in-8
- Thread Pattern: 1/2″-28 tpi
- UPC: 810035755406
- Manufacturer Part Number: DB1717K005
| Attributes | Value |
|---|---|
| UPC |
810035755406 |
| Manufacturer |
Diamondback Firearms |
| Manufacturer Part Number |
DB1717K005 |
| Action |
Semi-Auto |
| ATF Type |
Rifle |
| Barrel Finish |
Black Melonite |
| Barrel Length |
16" |
| Caliber/Gauge |
.223 REM/5.56 NATO |
| Capacity |
30 + 1 |
| Color |
Black |
| Length |
32.5 |
| Magazine Included |
1 x 30-Round |
| Model |
DB15 |
| Number of Magazines |
1 Gen 2 PMAG |
| Package Height |
3.3 |
| Package Width |
9.1 |
| Product Type |
Rifle |
| Rate of Twist |
1-in-8 |
| Safety |
Manual Thumb |
| Shipping Weight |
8.559 |
| Sights |
No Sights |
| Thread Pattern |
1/2"-28 tpi |

