# Diamondback Firearms Semi Automatic Rifles - Guns For Sale

Diamondback Firearms semi-automatic rifles include DB15 and DB10 platforms chambered in popular calibers such as 5.56 NATO, .308 Win, 6.5 Creedmoor, and 300 AAC Blackout. This catalog tag features tactical, precision, and optic-ready configurations, including 16 inch and 18 inch DB10 models, 16 inch DB15 rifles, adjustable Magpul stocks, and finishes like FDE/black, Midnight Bronze, and Olive Drab Green.

Shop Diamondback DB15 and DB10 Gen 1 rifles for AR-style handling, range use, and sporting applications. From 5.56 tactical rifles with 30-round magazines to .308 Win and 6.5 Creedmoor precision builds, these Diamondback semi-auto rifles cover compact carbines, larger-frame platforms, and ready-to-customize setups.

## Featured Firearms (67 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [DB10 Precision Bronze 6.5 Creedmoor Semi-Auto Rifle](https://gunsnation.com/p/db10-precision-bronze-6-5-creedmoor-semi-auto-rifle/UCEGBnT59) | 6.5 Creedmoor | - |
| [Diamondback DB15 16" .300 AAC Blackout Semi-Auto Precision Rifle](https://gunsnation.com/p/diamondback-db15-16-300-aac-blackout-semi-auto-precision-rifle/UCEGBnTX4) | .300 AAC Blackout | - |
| [Diamondback Carbon DB10 White .308 Win 16" Semi-Auto Rifle](https://gunsnation.com/p/diamondback-carbon-db10-white-308-win-16-semi-auto-rifle/UCEGBnTnu) | .308 Win | - |
| [Diamondback DB9: 9mm Semi-Auto Rifle, 16" Barrel, 32rd Mag](https://gunsnation.com/p/diamondback-db9-9mm-semi-auto-rifle-16-barrel-32rd-mag/UCEGBnTmQ) | 9mm | - |
| [Diamondback DB15 6.5 Grendel FDE Semi-Auto Rifle, 28rd, Optic-Ready](https://gunsnation.com/p/diamondback-db15-6-5-grendel-fde-semi-auto-rifle-28rd-optic-ready/UCEGBnTMb) | 6.5 Grendel | - |
| [Diamondback DB15 .350 Legend Tactical Rifle, 16" Barrel, Optic Ready](https://gunsnation.com/p/diamondback-db15-350-legend-tactical-rifle-16-barrel-optic-ready/UCEGBnTgl) | .350 Legend | - |
| [Diamondback DB15 Tactical .300 AAC Blackout Rifle](https://gunsnation.com/p/diamondback-db15-tactical-300-aac-blackout-rifle/UCEMYyPez) | .300 AAC Blackout | - |
| [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) | 5.56 NATO | - |
| [Diamondback DB10 .308 Win 18" Semi-Auto Rifle - Midnight Bronze](https://gunsnation.com/p/diamondback-db10-308-win-18-semi-auto-rifle-midnight-bronze/UCEGBnT4X) | .308 Win | - |
| [Diamondback DB15 Bronze 5.56 NATO M-LOK Semi-Auto Rifle, 16" Barrel](https://gunsnation.com/p/diamondback-db15-bronze-5-56-nato-m-lok-semi-auto-rifle-16-barrel/UCEGBnTar) | 5.56 NATO | - |
| [Diamondback DB10 .308 Win Rifle - OD Green/FDE, 16" Barrel](https://gunsnation.com/p/diamondback-db10-308-win-rifle-od-green-fde-16-barrel/UCEGBnTse) | .308 Win | - |
| [Diamondback DB10 Compact .308 Win Semi-Auto Rifle - Optic Ready](https://gunsnation.com/p/diamondback-db10-compact-308-win-semi-auto-rifle-optic-ready/UCEGBnTlp) | .308 Win | - |
| [Diamondback DB15 Tactical Rifle 5.56 NATO Semi-Auto - Black](https://gunsnation.com/p/diamondback-db15-tactical-rifle-5-56-nato-semi-auto-black/UCEGBnSYN) | 5.56 NATO | - |
| [Diamondback DB10 .308 WIN Semi-Auto Pistol, 20-Rd Tactical Elite](https://gunsnation.com/p/diamondback-db10-308-win-semi-auto-pistol-20-rd-tactical-elite/UCEGBnTN6) | .308 Win | - |
| [Diamondback DB10 Diamond 6.5 Creedmoor Precision Rifle](https://gunsnation.com/p/diamondback-db10-diamond-6-5-creedmoor-precision-rifle/UCEGBnSZD) | 6.5 Creedmoor | - |
| [Diamondback DB10 .308 Win 18" Semi-Auto Rifle - Adjustable Magpul Stock](https://gunsnation.com/p/diamondback-db10-308-win-18-semi-auto-rifle-adjustable-magpul-stock/UCEGBnTKc) | .308 Win | - |
| [Diamondback DB15 Tactical 7.62x39 Rifle, 16" Barrel, 28+1 Rounds](https://gunsnation.com/p/diamondback-db15-tactical-7-62x39-rifle-16-barrel-28-1-rounds/UCEGBnTj7) | 7.62X39 | - |
| [Diamondback DBX CF - Tactical 5.7mm Distressed White Pistol](https://gunsnation.com/p/diamondback-dbx-cf-tactical-5-7mm-distressed-white-pistol/UCEGBnTjx) | 5.7x28mm | - |
| [Diamondback DB15 Compact .300 Blackout Pistol - 30-Round Capacity](https://gunsnation.com/p/diamondback-db15-compact-300-blackout-pistol-30-round-capacity/UCEGBnTba) | .300 AAC Blackout | - |
| [Diamondback DB10 .308 Midnight Bronze Semi-Auto Rifle 16"](https://gunsnation.com/p/diamondback-db10-308-midnight-bronze-semi-auto-rifle-16/UCEGBnTUy) | .308 Win | - |

*Showing 20 of 67 products*

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- [Tactical](https://gunsnation.com/t/tactical)
- [Hunting](https://gunsnation.com/t/hunting)
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*Data from [GunsNation](https://gunsnation.com)*