Diamondback DB15 5.56 NATO Tactical Semi-Auto AR-15 Rifle
The Diamondback DB15 5.56 NATO Tactical Semi-Auto AR-15 Rifle is a 5.56 NATO ar style rifles from Diamondback Firearms. It is available from 3 vendors at $592.49 to $655.99.

Product Information
Name: Diamondback DB15 5.56 NATO Tactical Semi-Auto AR-15 Rifle
Brand: Diamondback Firearms
Category: AR Style Rifles
Caliber: 5.56 NATO
Barrel Length: 16"
Capacity: 30 rounds
UPC: 810035754560
SKU: UCEGBnTTU
Description
The Diamondback DB15 is a semi-automatic AR-15 in 5.56x45mm NATO with a 16-inch barrel and a six-position adjustable stock. At 6.65 lbs., it's a lightweight platform that pairs well with the optic-ready flat-top receiver. No iron sights are included, so you'll need to add your own.
Key Specifications:
- Action: Semi-Auto
- Caliber: 5.56x45mm NATO
- Barrel Length: 16"
- Capacity: 30+1 rounds
- Safety: Manual Thumb Safety
- Weight: 6.65 lbs
- Stock Description: Adjustable 6 Position Stock
- Muzzle Device: A2 Flash Hider
- Receiver Material: 7075-T6 Aluminum
- Sights: Optic Ready (No iron sights included)
- Barrel Twist Rate: 1:8"
Detailed Features:
The six-position stock adjusts length of pull, which accommodates different body types and shooting positions. The 1:8" twist rate handles a wide range of bullet weights in 5.56. The A2 flash hider reduces visible muzzle flash at night or in low light. The 7075-T6 aluminum receiver keeps weight down without sacrificing structural integrity. The optic-ready design accepts standard AR-compatible scope mounts and red dot systems.
Complete Specifications
| Caliber | 5.56 NATO |
| Model | DB-15 |
| Capacity | 30 rounds |
| Magazines included | 0 |
| Barrel length | 16" |
| Weight | 106.4 oz |
| Action | Semi Auto |
| Finish | Black Nitride |
| Color | Black |
| Stock material | Synthetic |
| Sights | None, Optic Ready |
| Safety | Manual |
Frequently Asked Questions
What caliber is the DB-15?
The DB-15 is chambered in 5.56x45mm NATO.
Who makes the DB-15?
The DB-15 is made by Diamondback Firearms.
What type of firearm is the DB-15?
It is a semi-automatic AR-style rifle.
What is the barrel length of the DB-15?
The DB-15 has a 16-inch barrel.
How many rounds does the DB-15 hold?
It has a 30+1 capacity.
Is the DB-15 optic-ready?
Yes. The flat-top receiver is optic-ready; no iron sights are included.
Where can I buy the DB-15?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Diamondback DB15 is frequently discussed as a budget-friendly entry into the AR-15 platform, and the feedback reflects its positioning.
Affordability: The price point is the most consistent positive. Buyers looking to get into the AR-15 platform without a large upfront spend find it attractive.
Build Quality: Mixed. Some owners are satisfied with construction and materials; others find specific components feel less solid compared to higher-end rifles.
Performance: Generally reliable cycling across common ammunition types, though a handful of owners have reported occasional issues with specific brands.
Customization: Strong compatibility with AR-15 aftermarket parts is a regular talking point. Owners add optics, stocks, and grips without much trouble.
Weight and Handling: At 6.65 lbs., most owners find it manageable. A few prefer something lighter for extended carry.
Accuracy: Considered accurate for its price range out of the box. Common recommendation is to invest in quality optics to get more out of it at distance.
Customer Service: Variable. Some owners report smooth warranty experiences; others describe delayed or unresponsive support.
Where to Buy - 3 Offers Available
Price Range: $592.49 - $655.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Buds Gun Shop | $592.49 | New | Buy Now |
| Grabagun Com | $627.99 | New | Buy Now |
| Guns Com | $655.99 | New | Buy Now |




















