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Diamondback Firearms DB10 .308 Win FDE/Tan Rifle

The Diamondback Firearms DB10 is a .308 Win semi-automatic rifle built around forged 7075-T6 aluminum receivers. Its 18-inch fluted 416R stainless steel barrel features a black nitride finish, a 1:10 right-hand twist, and a rifle-length gas system for reliable operation. An M-LOK anti-rotation handguard provides flexible accessory mounting, while the Magpul ACS-L adjustable stock and MOE K2+ grip support a stable, comfortable shooting position. The A3 flattop upper is ready for a user-supplied optic, and the included Diamondback CNC muzzle brake uses 5/8x24 threading. One 20-round Gen M3 PMAG is included.

Key features

  • 18-inch fluted 416R stainless steel barrel with black nitride finish
  • Semi-automatic .308 Win action with a rifle-length gas system
  • 2.5-pound single-stage drop-in trigger for a crisp trigger pull
  • 15-inch M-LOK anti-rotation handguard for flexible accessory placement
  • Magpul ACS-L adjustable stock and MOE K2+ grip for enhanced control
  • A3 flattop upper supports installation of a user-supplied optic system

The Diamondback DB10 combines a practical .308 Win platform with adjustable furniture, modern mounting options, and a precision-oriented barrel configuration.

Diamondback Firearms DB10 .308 Win FDE/Tan Rifle: quick facts

What caliber is the Diamondback Firearms DB10 .308 Win FDE/Tan Rifle?
It is chambered in .308 Win.
How many rounds does it hold?
20+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 18 inches, overall length 40.75 inches, weight 8.96 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: Yes; threaded barrel: Yes.
What sights and finish does it have?
finish: FDE/Tan.
Is it new or used?
New, in the original packaging.
Can I buy it in Utah?
Yes. It ships to a licensed FFL dealer in Utah; you pick it up there after the background check. Rifles and shotguns ship to your chosen Utah FFL dealer for the background check and pickup, with no state waiting period.
Is it in stock?
Yes, at $1698.59. Orders leave within 1-2 business days; shipping is free over $999.

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