# Diamondback DB-15 .300 AAC Blackout 8in Black

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

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 8"
- **UPC:** 810035756557
- **SKU:** UCEGBnTzh

## Description

The Diamondback DB-15 is an AR-pattern pistol chambered in .300 AAC Blackout with an 8-inch barrel. It ships with an SB Tactical SBA3 pistol brace, M-LOK handguard, and Magpul grip in a black finish. The magazine capacity is 30 rounds.

### Key Specifications
- **Brand**: Diamondback
- **Model**: DB-15
- **Caliber**: .300 AAC Blackout
- **Action**: Semi Auto
- **Capacity**: 30+1
- **Barrel Length**: 8"
- **Color/Finish**: Black

### Detailed Features
- 8-inch barrel in an AR-pistol configuration; transfer as a pistol (no additional federal paperwork required at this barrel length under pistol classification)
- M-LOK handguard for accessory attachment
- SB Tactical SBA3 pistol brace included
- Magpul grip
- 30-round magazine included

## Frequently Asked Questions

**Q: What caliber is the DB-15?**

A: The DB-15 is chambered in .300 AAC Blackout.

**Q: Who makes the DB-15?**

A: The DB-15 is made by Diamondback.

**Q: What type of firearm is the DB-15?**

A: It is an AR-pattern pistol with an M-LOK handguard and SB Tactical SBA3 pistol brace.

**Q: What is the barrel length of the DB-15?**

A: The barrel is 8 inches long.

**Q: How many rounds does the DB-15 hold?**

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

**Q: Where can I buy the DB-15?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DB-15 in .300 AAC Blackout generally find it a solid compact AR-pistol, noting that Diamondback's fit and finish have improved noticeably on recent production runs. The 8-inch barrel gets most of the attention: short-range suppressor hosts report good results, and unsuppressed shooters accept the blast as the cost of the configuration.

Ergonomics draw mixed reactions. The SBA3 brace works well for most users and the M-LOK handguard gives enough real estate for a light or foregrip, but some find the Magpul grip angle less comfortable during extended range time. Trigger quality is the common point of contention, with many owners swapping it early.

For the price, most buyers consider the DB-15 a reasonable entry into .300 Blackout AR-pistol territory. Parts compatibility with standard AR-pattern components is a recurring plus, and the aftermarket support makes it easy to build out the platform over time.

## Pricing

**8 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $649.99 |
| Classicfirearms Com | $666.11 |
| Shootingsurplus Com | $668.44 |
| Kygunco Com | $677.44 |
| Grabagun Com | $679.99 |
| Impactguns Com | $681.19 |
| Buds Gun Shop | $698.49 |
| Guns Com | $733.99 |

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- [Diamondback DB15 Tactical .300 AAC Blackout Rifle](https://gunsnation.com/p/diamondback-db15-tactical-300-aac-blackout-rifle/UCEMYyPez)
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*Data from [GunsNation](https://gunsnation.com)*