# Diamondback DB15 .300 AAC Blackout 10in Black

**Brand:** Diamondback Firearms
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 10"
- **UPC:** 810035756694
- **SKU:** UCEGBnU1u

## Description

The Diamondback DB15 is an AR-15 pattern pistol chambered in .300 AAC Blackout with a 10-inch barrel. It has a 30-round capacity, ships with an SBA5 brace, and has an M-LOK handguard.

### Key Specifications
- **Brand**: Diamondback
- **Model**: DB15
- **Caliber**: .300 AAC Blackout
- **Action**: Semi Auto
- **Capacity**: 30 rounds
- **Barrel Length**: 10 inches
- **Color/Finish**: Black

### Detailed Features
- AR-15 pattern pistol configuration
- 10-inch barrel in .300 AAC Blackout
- SBA5 pistol brace
- M-LOK handguard
- 30-round magazine

## Frequently Asked Questions

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

A: The DB15 in this configuration is chambered in .300 AAC Blackout.

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

A: This DB15 has a 10-inch barrel.

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

A: It ships with a 30-round magazine.

**Q: Who makes the DB15?**

A: Diamondback makes the DB15.

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

A: The DB15 is an AR-15 pattern pistol with an SBA5 pistol brace and an M-LOK handguard.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DB15 in .300 AAC Blackout regularly note the caliber choice makes good use of the short 10-inch barrel, where .300 Blackout loses less velocity than traditional rifle cartridges. The M-LOK handguard gets practical marks for allowing clean accessory placement without adding unnecessary weight.

The SBA5 brace is a mixed topic. Some owners appreciate it as a functional option out of the box; others swap it for an aftermarket stock once they sort out their paperwork situation. A few owners flag fit and finish as adequate but not exceptional, particularly on the upper-to-lower receiver fit.

Diamondback is generally seen as a value-tier AR brand, and the DB15 sits in that position in the market. Owners who prioritize the .300 Blackout caliber and want a ready-to-run platform at a lower entry price tend to be satisfied. Those expecting match-grade components at this price point are often disappointed by the trigger and barrel crown quality.

## Pricing

**8 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $923.99 |
| Grabagun Com | $929.99 |
| Classicfirearms Com | $933.33 |
| Shootingsurplus Com | $936.60 |
| Impactguns Com | $943.79 |
| Kygunco Com | $949.20 |
| Brownells | $999.99 |
| Guns Com | $1020.99 |

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