# Diamondback DB15 5.56 NATO 16in Black

**Brand:** Diamondback Firearms
**Category:** AR Style Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **UPC:** 810035755925
- **SKU:** UCEGBnTpV

## Description

The Diamondback DB15 is an AR-pattern semi-automatic rifle chambered in 5.56 NATO with a 16-inch barrel. The barrel has a threaded muzzle and a Black Nitride finish. California-compliant versions ship with a 10-round magazine.

### Key Specifications
- **Brand**: Diamondback
- **Model**: DB15
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Capacity**: 10+1 rounds
- **Barrel Length**: 16 in
- **Color/Finish**: Black

### Detailed Features
- 16-inch threaded barrel
- Black Nitride barrel finish
- 10-round magazine included
- California-compliant configuration available
- AR-pattern semi-automatic platform

## Frequently Asked Questions

**Q: What caliber is the DB15?**

A: The DB15 is chambered in 5.56 NATO.

**Q: Who makes the DB15?**

A: The DB15 is made by Diamondback.

**Q: What type of firearm is the DB15?**

A: It is an AR-pattern semi-automatic rifle.

**Q: What is the barrel length of the DB15?**

A: This variant has a 16-inch barrel with a Black Nitride finish.

**Q: Is the DB15 barrel threaded?**

A: Yes. The 16-inch barrel has a threaded muzzle.

**Q: How many rounds does the DB15 hold?**

A: It ships with a 10-round magazine for a capacity of 10+1 rounds.

**Q: Where can I buy the DB15?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> I think this is probably one of my favorite guns that I own it's the db15 by Diamondback and this thing is just a beast.
>
> — [Johnny Q](https://www.youtube.com/watch?v=5-f6l9Wlhe0&t=2s)

> Now we don't recommend running this through your gun too much you know steel case we'll beat on your gun a good bit unless it's an old military surplus.
>
> — [CGA Defense](https://www.youtube.com/watch?v=lIlB3eq-MG4&t=155s)

> It's ran perfect we haven't had a single issue and the only time we've had an issue is due to ammo not to the gun itself.
>
> — [CGA Defense](https://www.youtube.com/watch?v=lIlB3eq-MG4&t=263s)

> It looks sexy and again for the price Diamondback Firearms or any of their AR platforms is probably one of the best you can get on the market.
>
> — [CGA Defense](https://www.youtube.com/watch?v=lIlB3eq-MG4&t=311s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Diamondback DB15 position it as a straightforward AR-15 that covers the basics without a premium price tag. The 5.56 NATO chambering and 16-inch barrel are the standard AR configuration, and most owners report reliable function through standard range sessions without issues.

Build quality gets a middle-of-the-road reception. The Black Nitride barrel finish draws positive comments for durability. Fit and finish is generally described as acceptable for the price tier, though some owners note the stock trigger is gritty and benefits from a replacement once the shooter is ready to invest further in the rifle.

California compliance is a practical differentiator for buyers in restricted states. The threaded barrel on the standard version is noted favorably by those who want to run a muzzle device. Aftermarket parts compatibility follows standard AR-15 patterns, which most owners consider the DB15's strongest long-term asset.

## Pricing

**12 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $571.11 |
| Shootingsurplus Com | $573.11 |
| Kygunco Com | $580.82 |
| Centerfiresystems Com | $580.99 |
| Impactguns Com | $584.89 |
| Gritrsports Com | $589.99 |
| Buds Gun Shop | $590.49 |
| Guns Com | $590.99 |
| Globalordnance Com | $591.10 |
| Deguns | $606.99 |

*...and 2 more offers*

## Similar Products

- [Diamondback DB15 5.56 NATO 16in Black](https://gunsnation.com/p/diamondback-db15-5-56-nato-16in-black/UCEGBnTyb)
- [Diamondback DB15 5.56 NATO 16in Black Nitride](https://gunsnation.com/p/diamondback-db15-5-56-nato-16in-black-nitride/UCEGBnTSH)
- [Diamondback DB15 Carbon 5.56 NATO 16in Black](https://gunsnation.com/p/diamondback-db15-carbon-5-56-nato-16in-black/UCEGBnTwq)
- [Diamondback DB15 5.56 NATO 16in FDE](https://gunsnation.com/p/diamondback-db15-5-56-nato-16in-fde/UCEGBnTtv)
- [Diamondback DB15 5.56 NATO 16in FDE](https://gunsnation.com/p/diamondback-db15-5-56-nato-16in-fde/UCEGBnTPC)
- [Diamondback DB15 5.56 NATO 16in Bronze](https://gunsnation.com/p/diamondback-db15-5-56-nato-16in-bronze/UCEGBnTBJ)

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*Data from [GunsNation](https://gunsnation.com)*