The Diamondback DB10 .308 Win AR rifle with a 16" barrel brings modern tactical rifle capability to shooters who demand accuracy, reliability, and adaptability in a .308 Winchester platform. Built on a forged aluminum upper and lower receiver, this rifle balances durability with a manageable weight profile—ideal for hunters, competition shooters, and anyone running serious .308 distances without the bulk of a full-length rifle. The flat dark earth finish is a practical choice that performs in varied outdoor conditions while looking equally at home on the range or in the field.
This DB10 runs a mid-length gas system with a chrome-lined 4150 CrMov barrel (black nitride-treated for corrosion resistance) and a 1:10 right-hand twist optimized for .308 Winchester ballistics. The shot-peened carrier group meets mil-spec 8620 standards—a sign Diamondback spent real money on the bolt carrier rather than cutting corners. You get a 15-inch M-LOK handguard that gives you mounting flexibility for lights, grips, or other accessories without overcomplicating your setup. The A3 flat-top upper works with any optic mounting system, and the standard lower accepts modern magazines and controls you likely already know.
Stock configuration includes a Magpul MOE carbine stock for cheek weld and adjustability, a MOE-K pistol grip, and a standard mil-spec trigger. The rifle ships with a 20-round Magpul GEN M3 PMAG and a 5/8x24 A2 flash hider that threads the muzzle. It's a no-nonsense .308 AR that doesn't try to be more than it is—just a solid, well-spec'd rifle ready to shoot.
| Caliber | .308 Winchester |
| Barrel Length | 16" |
| Barrel Material | Chrome-lined 4150 CrMov, black nitride finish |
| Twist Rate | 1:10 right-hand |
| Gas System | Mid-length |
| Upper Receiver | A3 flat-top, forged 7075-T6 aluminum, T-marked |
| Lower Receiver | Diamondback standard, forged 7075-T6 aluminum |
| Carrier Group | MIL-spec 8620 steel, shot-peened, magnetic particle inspected |
| Handguard | 15" M-LOK rail |
| Trigger | Standard mil-spec |
| Stock | Magpul MOE carbine |
| Pistol Grip | Magpul MOE-K |
| Muzzle Device | A2 flash hider, 5/8x24 threads |
| Magazine Included | One 20-round Magpul GEN M3 PMAG |
| Finish | Flat Dark Earth (FDE) |
The Diamondback DB10 is chambered in .308 Winchester, one of the most common centerfire rifle cartridges available in the US. You'll have no trouble finding factory ammunition and reloading components, and the 1:10 twist barrel is suited to a wide range of .308 loads.
Yes. The A3 flat-top upper receiver features the universal Picatinny rail standard, so you can mount any optic or sight system designed for that platform. There's no proprietary setup here.
The muzzle is threaded 5/8x24, which is the standard for .30-caliber suppressors and other muzzle devices. You'll need to remove or replace the A2 flash hider if you want to install a suppressor or other threaded device.
The rifle ships with one 20-round Magpul GEN M3 PMAG (.308 Winchester). Standard AR .308 magazines will work with this lower receiver.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
Diamondback
Diamondback
Diamondback
Diamondback
