# Diamondback DB15 Obsidian 6mm ARC 18in Black

**Brand:** Diamondback Firearms
**Category:** AR Style Rifles
**Caliber:** 6mm ARC

## Specifications

- **Caliber:** 6mm ARC
- **Barrel Length:** 18"
- **UPC:** 810035756281
- **SKU:** UCEGBnTvF

## Description

The Diamondback DB15 Obsidian is a semi-automatic AR-pattern rifle chambered in 6mm ARC with an 18-inch black nitride medium taper threaded barrel. The aluminum receiver has a black hardcoat anodize finish with a Picatinny rail, paired with a Magpul CTR stock and Magpul MOE K2 grip. It ships with a 26-round magazine and a 15-inch M-LOK handguard.

### Key Specifications
- **Brand**: Diamondback
- **Model**: DB15 Obsidian
- **Caliber**: 6mm ARC
- **Action**: Semi Auto
- **Barrel Length**: 18 in
- **Capacity**: 26rd
- **Color/Finish**: Black

### Detailed Features
- 18-inch black nitride medium taper threaded barrel
- Black hardcoat anodize aluminum receiver with Picatinny rail
- 15-inch M-LOK handguard
- Magpul CTR stock and Magpul MOE K2 grip
- 26-round magazine included

## Frequently Asked Questions

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

A: The DB15 Obsidian is chambered in 6mm ARC.

**Q: Who makes the DB15 Obsidian?**

A: The DB15 Obsidian is made by Diamondback.

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

A: It is a semi-automatic AR-pattern rifle with a black hardcoat anodize aluminum receiver, a 15-inch M-LOK handguard, and Magpul CTR stock with Magpul MOE K2 grip.

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

A: The DB15 Obsidian has an 18-inch black nitride medium taper threaded barrel.

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

A: It ships with a 26-round magazine.

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

A: Yes. The barrel is threaded.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DB15 Obsidian appreciate the 6mm ARC chambering for its ballistic performance over standard 5.56 in a familiar AR-pattern platform. The black nitride barrel finish draws positive comments for corrosion resistance and durability under regular use.

The Magpul CTR stock and MOE K2 grip combination is well-regarded for out-of-the-box ergonomics. The 18-inch barrel is a point of discussion; some prefer the velocity gains with 6mm ARC, while others would prefer a shorter option for handling at the range.

Diamondback's Obsidian Series is viewed as a solid mid-tier entry in the 6mm ARC market at a competitive price. The trigger is a common upgrade candidate, though the platform accepts standard AR drop-in triggers without any modification.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $867.89 |
| Buds Gun Shop | $880.49 |
| Grabagun Com | $909.99 |
| Impactguns Com | $923.99 |
| Gritrsports Com | $939.99 |
| Kygunco Com | $949.20 |
| Guns Com | $949.99 |
| Centerfiresystems Com | $949.99 |
| Globalordnance Com | $966.00 |
| Classicfirearms Com | $967.00 |

*...and 3 more offers*

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