# Diamondback DB15 Obsidian Series 5.56 NATO 11.5in Black

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

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 11.5"
- **UPC:** 810035756236
- **SKU:** UCEGBnTuW

## Description

The Diamondback DB15 Obsidian Series is an AR-15 pattern pistol chambered in 5.56 NATO with an 11.5-inch barrel and a carbine-length gas system. It ships with a 30-round magazine and an SBA5 brace, finished in black. The 11-inch M-Lok handguard gives the short barrel plenty of rail space for accessories.

### Key Specifications
- **Brand**: Diamondback
- **Model**: DB15 Obsidian Series
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Barrel Length**: 11.5 in
- **Capacity**: 30+1
- **Color/Finish**: Black

### Detailed Features
- 11.5-inch barrel with carbine-length gas system
- 11-inch M-Lok handguard
- SBA5 pistol brace
- 30-round magazine included
- Black polymer grip

## Frequently Asked Questions

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

A: The DB15 Obsidian Series 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 Obsidian Series?**

A: It is an AR-15 pattern semi-automatic pistol with a carbine-length gas system.

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

A: The DB15 Obsidian Series has an 11.5-inch barrel.

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

A: It ships with a 30-round magazine and has a 30+1 round capacity.

**Q: What handguard does the DB15 Obsidian Series use?**

A: It has an 11-inch M-Lok handguard.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DB15 Obsidian Series typically appreciate the compact package that the 11.5-inch barrel delivers for a short-range build. The M-Lok handguard draws consistent praise for layout flexibility, and most report the carbine-length gas system runs reliably with quality 5.56 NATO ammunition.

Ergonomics with the SBA5 brace generate mixed reactions. Some shooters find it a natural fit for a pistol-configuration AR build, while others would prefer a traditional stock on a dedicated range gun. Recoil with the short barrel is manageable but noticeably snappier than a full-length carbine.

Value perception for the Obsidian Series sits in the middle of the market. Buyers who compare it with budget AR pistols note Diamondback's finish quality as a positive, though the trigger is a common point of criticism and is the first part most owners look to upgrade.

## Pricing

**6 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $933.29 |
| Shootingsurplus Com | $936.60 |
| Kygunco Com | $949.20 |
| Classicfirearms Com | $967.00 |
| Buds Gun Shop | $967.99 |
| Guns Com | $1068.99 |

## Similar Products

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