# Diamondback DB15 FDE 5.56 NATO/.223 Rem Semi-Auto Rifle

**Brand:** Diamondback Firearms
**Category:** Semi-Automatic Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **Capacity:** 30 rounds
- **Finish:** Stock Finish: Brown
- **Weight:** 105.6 oz
- **Overall Length:** 33"
- **UPC:** 810035756014
- **SKU:** UCEGBnTqw

## Description

The Diamondback DB15 is an AR-platform semi-automatic rifle chambered in 5.56x45mm NATO / .223 Remington. It's a solid mid-range option (not a budget build, not a custom shop rifle) with a 16" threaded barrel, 30+1 capacity, and Flat Dark Earth Cerakote finish throughout.

### Key specifications
- **Manufacturer:** Diamondback Firearms
- **Model:** DB15
- **Type:** Modern Sporting Rifle
- **Action:** Semi-Auto
- **Caliber:** 5.56x45mm NATO / .223 Remington
- **Barrel Length:** 16 inches
- **Overall Length:** Adjustable from 33 to 36.25 inches
- **Weight:** 6.60 lbs
- **Capacity:** 30+1 rounds
- **Finish Color:** Flat Dark Earth Cerakote
- **Safety Features:** Ambidextrous thumb safety

### Features

The receiver is forged 7075 T6 aluminum, which is standard on quality AR builds and keeps weight in check. The Magpul CTR stock adjusts for length of pull across six positions. Barrel twist is 1:8, a good general-purpose rate that stabilizes most common bullet weights from 55gr up through 77gr. The threaded barrel accepts suppressors or standard muzzle devices. M-Lok anti-rotation rail provides attachment points for lights and accessories without adding unnecessary bulk.

Ambidextrous thumb safety makes this usable without modification for left-handed shooters. At 6.60 lbs, it's on the lighter end for a 16" rifle.

## Frequently Asked Questions

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

A: The DB15 is chambered in 5.56x45mm NATO / .223 Remington.

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

A: It has a 16" barrel.

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

A: Yes, the DB15 has a threaded barrel.

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

A: It has a 30+1 capacity.

**Q: Who makes the DB15?**

A: The DB15 is made by Diamondback Firearms.

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

A: The DB15 is a semi-automatic rifle built on an AR platform.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The DB15 FDE gets discussed a lot as a budget-to-mid-range AR option, and opinions are predictably split along those lines.

Affordability is the most consistent positive. Buyers looking to get into the AR-15 platform without spending Colt or BCM money find it attractive. Range performance gets decent marks too: most owners report good accuracy and manageable recoil, with the 1:8 twist doing its job across common bullet weights. The FDE Cerakote finish is well-liked aesthetically and practical for durability.

Build quality is where the feedback diverges. Some owners are satisfied with the fit and finish; others feel certain components don't match the quality of rifles from more established manufacturers. Feeding and cycling issues come up occasionally, usually tied to specific ammunition or magazines rather than the rifle itself. But the reports are real enough to mention. Customer service experiences are uneven, with some owners getting quick warranty support and others describing frustrating delays.

The DB15 holds up reasonably well when stacked against comparably-priced competition. It's a workable entry point into the AR market, but buyers with experience on higher-end platforms will notice the difference in component feel. Know what you're buying and it's a fair deal.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $966.89 |
| Gritrsports Com | $978.99 |
| Shootingsurplus Com | $980.09 |
| Buds Gun Shop | $990.49 |
| Centerfiresystems Com | $993.99 |
| Globalordnance Com | $1010.85 |
| Guns Com | $1010.99 |
| Classicfirearms Com | $1014.00 |
| Grabagun Com | $1014.00 |
| RK Guns | $1014.97 |

*...and 3 more offers*

## Similar Products

- [Diamondback DB15 Tactical 5.56 NATO Rifle w/ Magpul CTR Stock](https://gunsnation.com/p/diamondback-db15-tactical-5-56-nato-rifle-w-magpul-ctr-stock/UCEGBnTqp)
- [Diamondback DB15 5.56 NATO AR Rifle - Optic Ready, FDE/Black](https://gunsnation.com/p/diamondback-db15-5-56-nato-ar-rifle-optic-ready-fde-black/UCEGBnT6d)
- [Diamondback DB15 Elite 5.56 Rifle - 16" OD Green](https://gunsnation.com/p/diamondback-db15-elite-5-56-rifle-16-od-green/UCEGBnTr3)
- [Diamondback DB15 5.56 NATO FDE Tactical Semi-Auto Rifle](https://gunsnation.com/p/diamondback-db15-5-56-nato-fde-tactical-semi-auto-rifle/UCEGBnTM6)
- [Diamondback Carbon DB15 Gen 2 White Cerakote 5.56 NATO Sport Rifle](https://gunsnation.com/p/diamondback-carbon-db15-gen-2-white-cerakote-5-56-nato-sport-rifle/UCEGBnTjS)
- [Diamondback DB15 Tactical 5.56 NATO Rifle - FDE/Black, 16" Barrel](https://gunsnation.com/p/diamondback-db15-tactical-5-56-nato-rifle-fde-black-16-barrel/UCEGBnTiF)

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