Diamondback DB15 5.56 NATO 10in Black
The Diamondback DB15 5.56 NATO 10in Black is a 5.56 NATO ar style rifles from Diamondback Firearms. It is available from 2 vendors at $899.99 to $960.89.

Product Information
Name: Diamondback DB15 5.56 NATO 10in Black
Brand: Diamondback Firearms
Category: AR Style Rifles
Caliber: 5.56 NATO
Barrel Length: 10"
UPC: 810035754225
SKU: UCEGBnTO5
Description
The Diamondback DB15 is an AR-pattern semi-automatic rifle chambered in 5.56 NATO with a 10-inch threaded barrel; this is a short-barreled configuration and transfer requires additional federal paperwork. The rifle ships with a 30-round magazine and a Magpul DT Carbine stock. The muzzle is fitted with an ASR brake.
Key Specifications
- Brand: Diamondback
- Model: DB15
- Caliber: 5.56 NATO
- Action: Semi Auto
- Barrel Length: 10 inches
- Color/Finish: Black
- Capacity: 30 rounds
Detailed Features
- 10-inch threaded barrel (short-barreled configuration; transfer requires additional federal paperwork)
- ASR muzzle brake included
- Magpul DT Carbine stock
- 30-round magazine included
- Black finish throughout
Complete Specifications
| Caliber | 5.56 NATO |
| Model | DB15 |
| Barrel length | 10" |
| Action | Semi Auto |
| Color | Black |
Frequently Asked Questions
What caliber is the DB15?
The DB15 is chambered in 5.56 NATO.
Who makes the DB15?
The DB15 is made by Diamondback.
What type of firearm is the DB15?
It is an AR-pattern semi-automatic rifle.
What is the barrel length of the DB15?
This configuration has a 10-inch barrel.
How many rounds does the DB15 hold?
It ships with a 30-round magazine.
Does the DB15 have a threaded barrel?
Yes. The titles confirm a threaded barrel, and the muzzle is fitted with an ASR brake.
Where can I buy the DB15?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
Owners of the DB15 in the 10-inch configuration generally buy it as a compact AR build and accept the paperwork process as part of the transaction. The Diamondback platform gets credit for solid fit and finish at its price point. Some note the ASR muzzle device as a functional starting point but swap it early.
The Magpul DT stock draws mixed feedback. Shooters who prefer a fixed or fixed-feeling stock like it; those who want a fully adjustable option tend to replace it. At 10 inches the platform is loud without a suppressor, and that comes up frequently in range reports.
Value opinion on Diamondback ARs is generally positive among buyers who compare across similarly priced competitors. The DB15 is not seen as a premium build, but most owners report no reliability issues out of the box. Aftermarket compatibility with standard AR parts is considered a given.
Where to Buy - 2 Offers Available
Price Range: $899.99 - $960.89
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Grabagun Com | $899.99 | New | Buy Now |
| Impactguns Com | $960.89 | New | Buy Now |






















