DIAMONDBACK FIREARMS DB10D - 308WIN - BLACK - 18" - MLOK - 10+1

Diamondback Firearms
MPN:
DB1059C001
UPC:
810035753006
$1,513.69
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The Diamondback Firearms DB10D is a precision-engineered semi-automatic rifle chambered in .308 Winchester, delivering hard-hitting performance in a versatile, modern platform built for serious shooters.

  • Chambered in .308 Win for reliable, hard-hitting semi-automatic fire
  • 18-inch barrel optimized for velocity, accuracy, and maneuverability
  • M-LOK handguard enables lightweight, flexible accessory attachment
  • 10+1 round capacity with standard AR-10 pattern magazine compatibility
  • Matte black finish provides durable, corrosion-resistant protection
  • Direct impingement gas system delivers smooth, consistent cycling

Who This Is For

The DB10D is ideal for hunters pursuing medium to large game, long-range target shooters, and tactical enthusiasts who want the proven stopping power of .308 Winchester in a modern sporting rifle. Whether you're reaching out across a field or building a precision competition platform, this Diamondback rifle delivers the reliability and accuracy to back you up.

Diamondback Firearms DB10D 308 Win 18-inch black M-LOK semi-automatic rifle right side view

Specifications

BrandDiamondback Firearms
ModelDB10D
Caliber.308 Winchester / 7.62x51mm NATO
ActionSemi-Automatic
Barrel Length18 inches
HandguardM-LOK Compatible
Capacity10+1 Rounds
FinishMatte Black
Gas SystemDirect Impingement
PlatformAR-10 Pattern
StockAdjustable Collapsible
Country of OriginUSA

Frequently Asked Questions

What magazines are compatible with the Diamondback DB10D?

The DB10D is built on an AR-10 pattern platform and is compatible with standard .308/7.62x51mm AR-10 style magazines. It ships with a 10-round magazine, and many aftermarket AR-10 magazines from reputable brands such as Magpul, Lancer, and DPMS are generally compatible, though fit should always be verified before purchase.

How does the 18-inch barrel affect ballistic performance compared to a 16-inch or 20-inch option?

The 18-inch barrel strikes a practical balance between the compactness of a 16-inch barrel and the velocity advantage of a 20-inch barrel. In .308 Winchester, the 18-inch length typically yields muzzle velocities in the 2,600–2,700 fps range with standard 168-grain loads, making it well-suited for hunting and medium-to-long-range target shooting while remaining more maneuverable than a full-length 20-inch rifle.

Is the DB10D legal to purchase and own in California?

As a semi-automatic centerfire rifle with a detachable magazine, the DB10D must comply with California's Assault Weapons Control Act (AWCA). The 10+1 capacity configuration is compliant with California's magazine capacity limits. Buyers in California should ensure the rifle is configured with a fixed or featureless stock and other compliant features as required by state law. Goodland Guns can advise you on the specific configuration available for California residents — contact the store directly for details.

Caliber:
308 WIN
Color:
Black
Barrel Length:
18"
Style:
MLOK
Capacity:
10+1
Muzzle Type:
Flash Hider
Gas System:
DI
CA Compliant:
Yes