# Diamondback DB15 Knight's Armament 5.56 NATO 16in Matte Black

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

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **UPC:** 810035754478
- **SKU:** UCEGBnTSA

## Description

The Diamondback DB15 is an AR-pattern semi-automatic rifle chambered in 5.56 NATO with a 16-inch cold hammer-forged threaded barrel produced in collaboration with Knight's Armament Company. It has a 30+1 capacity, a 15-inch M-Lok rail, and ships with MBUS backup sights. The matte black finish covers the full-length rail and receiver.

### Key Specifications
- **Brand**: Diamondback Firearms
- **Model**: DB15
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Capacity**: 30+1
- **Barrel Length**: 16"
- **Color/Finish**: Matte Black

### Detailed Features
- 16-inch Knight's Armament cold hammer-forged threaded barrel
- 15-inch M-Lok handguard rail
- MBUS backup iron sights included
- Magpul CTR stock

## Frequently Asked Questions

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

A: The DB15 is chambered in 5.56 NATO.

**Q: Who makes the DB15?**

A: The DB15 is made by Diamondback Firearms.

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

A: It is a semi-automatic AR-pattern rifle.

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

A: The DB15 has a 16-inch cold hammer-forged barrel produced in collaboration with Knight's Armament Company.

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

A: It has a 30+1 capacity.

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

A: Yes, the 16-inch Knight's Armament barrel is threaded.

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

A: It has a 15-inch M-Lok rail handguard.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the DB15 Knight's Armament collaboration tend to focus on the barrel as the reason to buy this particular build. A KAC cold hammer-forged barrel on a mid-tier AR-pattern rifle is an unusual pairing, and most owners who specifically sought this model did so for that barrel quality at the price point.

The M-Lok rail length and included MBUS sights are consistently mentioned as practical additions that reduce out-of-box setup cost. The Magpul CTR stock gets standard positive mention. The overall fit and finish receives approval, though some owners note the lower-tier components elsewhere in the build don't quite match the quality of the barrel.

Long-term owners report the DB15 platform is reliable across a range of .223 and 5.56 loads. The threaded barrel adds suppressor or muzzle device flexibility. A few owners note the collaboration branding carries some premium over comparable non-KAC builds, and opinions split on whether that premium is justified by the full package.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $1113.99 |
| Buds Gun Shop | $1125.49 |
| Shootingsurplus Com | $1150.80 |
| Impactguns Com | $1190.19 |
| Gritrsports Com | $1204.99 |
| Kygunco Com | $1211.84 |
| Centerfiresystems Com | $1222.99 |
| Globalordnance Com | $1244.30 |
| Classicfirearms Com | $1256.00 |
| Grabagun Com | $1256.00 |

*...and 3 more offers*

## Similar Products

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