# Diamondback DB15 5.56 NATO - Tactical Sport Semi-Auto Rifle

**Brand:** Diamondback Firearms
**Category:** Semi-Automatic Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 1.6"
- **Capacity:** 30 rounds
- **Finish:** BLACK
- **Weight:** 102.4 oz
- **UPC:** 810035752306
- **SKU:** UCEGBnSt8

## Description

The Diamondback DB15 is a semi-automatic rifle chambered in 5.56x45mm NATO with a 30-round capacity and a black finish. It weighs 6.4 lbs.

### Key Specifications
- **UPC:** 810035752306
- **Caliber:** 5.56X45MM NATO
- **Action:** Semi-Automatic
- **Capacity:** 30 Rounds
- **Weight:** 6.4 lbs.
- **Finish:** Black

The DB15 is an AR-15 pattern rifle built around a standard direct-impingement gas system. At 6.4 lbs it is on the lighter side for the platform, which helps when carrying it for extended periods. The 5.56 NATO chambering accepts both 5.56 and .223 Rem ammunition. At 30 rounds per magazine, reloading is infrequent during range sessions.

It covers the common AR-15 use cases (range practice, home defense, and light competition) without asking for a premium price. The lower will accept standard mil-spec components, so parts and upgrades are straightforward to source.

## Frequently Asked Questions

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

A: The DB15 is chambered in 5.56x45mm NATO.

**Q: Who makes the DB15?**

A: It is made by Diamondback.

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

A: It is a semi-automatic rifle built on an AR-15 pattern with a direct-impingement gas system.

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

A: It has a 30-round capacity.

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

A: The barrel is 16 inches long.

**Q: Where can I buy the Diamondback 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*

The DB15 gets discussed primarily as a budget-friendly entry into the AR-15 market, and most feedback reflects that context.

Users generally report reliable function for range use and general-purpose applications. Accuracy is described as adequate, fine for most purposes, though not something owners brag about at longer distances compared to more expensive rifles. The price point is the main draw; most buyers acknowledge they are getting solid value rather than a top-tier build.

Build quality is the most consistent criticism. Some users note that materials and fit feel noticeably lower-grade compared to established brands. The DB15 platform is compatible with aftermarket AR-15 parts, which owners appreciate since it allows incremental upgrades. Weight and balance get mixed responses. Some find it comfortable, others want something lighter or better balanced for extended use. Customer service experiences vary, with some users reporting good interactions and others describing frustrating warranty or parts availability situations.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $730.99 |

## Similar Products

- [Diamondback DB15 AR-15 Carbon 5.56 NATO 16" Semi-Auto Rifle](https://gunsnation.com/p/diamondback-db15-ar-15-carbon-5-56-nato-16-semi-auto-rifle/UCEGBnTSe)
- [Diamondback DB15 Tactical Rifle 5.56 NATO Semi-Auto - Black](https://gunsnation.com/p/diamondback-db15-tactical-rifle-5-56-nato-semi-auto-black/UCEGBnSYN)
- [Diamondback DB15 5.56 NATO FDE Tactical Semi-Auto Rifle](https://gunsnation.com/p/diamondback-db15-5-56-nato-fde-tactical-semi-auto-rifle/UCEGBnTM6)
- [Diamondback DB15 5.56 NATO Tactical Semi-Auto AR-15 Rifle](https://gunsnation.com/p/diamondback-db15-5-56-nato-tactical-semi-auto-ar-15-rifle/UCEGBnTTU)
- [Diamondback DB15 Tactical 5.56 NATO Semi-Auto Rifle - Black 16"](https://gunsnation.com/p/diamondback-db15-tactical-5-56-nato-semi-auto-rifle-black-16/UCEGBnTMN)
- [Diamondback DB15 Tactical Sport Rifle 5.56 NATO OD/Gold, 30+1 Cap](https://gunsnation.com/p/diamondback-db15-tactical-sport-rifle-5-56-nato-od-gold-30-1-cap/UCEGBnTP5)

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