# Diamondback DB15 Midnight Bronze 5.56 NATO Semi-Auto Rifle

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

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **Capacity:** 30 rounds
- **Finish:** Black Nitride
- **Weight:** 111.2 oz
- **Overall Length:** 37.25"
- **UPC:** 810035753150
- **SKU:** UCEGBnT6k

## Description

The Diamondback DB15 is a semi-automatic AR-15 pattern rifle chambered in 5.56x45mm NATO. Its 7075-T6 aluminum receiver and 4150 chrome moly barrel keep it at 6.95 lbs, and the Midnight Bronze finish is a sharp departure from the usual matte black AR.

### Key Specifications
- **Model:** DB15
- **Caliber:** 5.56x45mm NATO
- **Action:** Semi-Auto
- **Barrel Length:** 16 inches
- **Capacity:** 30+1 rounds
- **Trigger:** Single-Stage
- **Safety:** Manual Thumb Safety
- **Overall Length:** 34" - 37.25"
- **Weight:** 6.95 lbs
- **Stock:** Adjustable Magpul ACS-L
- **Sights:** Optic Ready (no iron sights)
- **Muzzle Device:** Muzzle Brake
- **Receiver Material:** 7075-T6 Aluminum
- **Barrel Material:** 4150 Chrome Moly
- **Twist Rate:** 1:8"

### Detailed Features
The Magpul ACS-L stock adjusts for length of pull, which is useful for shooting with or without body armor, or simply dialing in fit for different shooters.

The 1:8" twist rate handles the full range of common 5.56 projectile weights, from 55-grain FMJ to heavier 77-grain match bullets, without the compromise of faster or slower twists.

No iron sights are included. The flat-top upper is optic-ready, so budget some money for at least a set of backup sights if you plan to run this without an optic.

### Usage
The DB15 covers the bases for range work, home defense, and varmint hunting with .223/5.56. The single-stage trigger and optic-ready upper mean you can set it up as a dedicated range rifle or a practical defensive carbine depending on what you mount on top.

## Frequently Asked Questions

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

A: The Diamondback DB-15 Diamond is chambered in 5.56x45mm NATO.

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

A: It is made by Diamondback.

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

A: It is a semi-automatic AR-15 pattern rifle.

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

A: It has a 16-inch barrel.

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

A: It has a 30+1 capacity.

**Q: Is the DB-15 Diamond optic-ready?**

A: Yes, the flat-top upper is optic-ready with no iron sights included.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The Midnight Bronze finish is the first thing people notice about the DB15. It's a real differentiator in a category full of black rifles, and most buyers seem to like it.

On the range, users report solid reliability and accuracy with standard ammunition. The modular AR platform is a draw for people who want to swap parts over time. The Magpul ACS-L stock gets mentioned positively.

Quality control is where opinions diverge. Some owners have had issues with components that suggest inconsistency in manufacturing, and a few note that fit and finish doesn't match higher-priced ARs. The general read is that it's a competitive option at its price point, but buyers expecting premium build quality may be disappointed. Going in with that expectation set appropriately, most owners are satisfied.

## Pricing

**10 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1136.64 |
| Grabagun Com | $1140.99 |
| Gritrsports Com | $1140.99 |
| Kygunco Com | $1146.88 |
| Buds Gun Shop | $1148.99 |
| Guns Com | $1177.99 |
| Selwayarmory Com | $1208.49 |
| Deguns | $1208.99 |
| Primaryarms Com | $1252.00 |
| RK Guns | $1252.97 |

## Similar Products

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- [Diamondback DB15 AR Rifle - 5.56 NATO, Adj. Magpul Stock, Optic Ready](https://gunsnation.com/p/diamondback-db15-ar-rifle-5-56-nato-adj-magpul-stock-optic-ready/UCEGBnT6W)
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- [Diamondback DB15 Tactical 5.56 NATO Semi-Auto Rifle - Black 16"](https://gunsnation.com/p/diamondback-db15-tactical-5-56-nato-semi-auto-rifle-black-16/UCEGBnTMN)
- [Diamondback DB15 Midnight Bronze 5.56 NATO 10" M-LOK Pistol](https://gunsnation.com/p/diamondback-db15-midnight-bronze-5-56-nato-10-m-lok-pistol/UCEGBnTVx)

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