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Diamondback Firearms DB10 AR-10 Style .308 Win Midnight Bronze Rifle

The Diamondback Firearms DB10 is an AR-10 style semi-automatic rifle chambered in .308 Win and compatible with 7.62x51mm NATO ammunition. It features an 18-inch medium-profile, fluted 416 stainless steel barrel with a 1:10 twist, a mid-length direct-impingement gas system, and a pinned gas block. The 7075-T6 aluminum receivers are finished in Midnight Bronze, while the 15-inch M-Lok anti-rotation handguard provides flexible accessory mounting. A shot-peened Mil-Spec 8620 bolt carrier, Magpul MOE-K2+ grip, Magpul ACS-L stock, single-stage trigger, and muzzle brake complete the configuration. The rifle is optic ready for the addition of a compatible sighting system.

Key features

  • 18-inch fluted 416 stainless steel barrel balances rigidity and handling
  • Mid-length direct-impingement gas system with pinned gas block supports reliable operation
  • 7075-T6 aluminum receivers provide a durable, lightweight foundation
  • 15-inch M-Lok anti-rotation handguard offers versatile accessory mounting
  • Magpul MOE-K2+ grip and ACS-L stock improve control and shooting comfort
  • Optic-ready receiver supports a wide range of compatible aiming systems

The Diamondback DB10 combines practical AR-10 ergonomics with .308 Win performance in a ready-to-customize rifle configuration.

Diamondback Firearms DB10 AR-10 Style .308 Win Midnight: quick facts

What caliber is the Diamondback Firearms DB10 AR-10 Style .308 Win Midnight?
It is chambered in .308 Win, 7.62x51 NATO.
How many rounds does it hold?
20+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 18 inches, overall length 37.25 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: Midnight Bronze.
Is it new or used?
New, in the original packaging.
Can I buy it in Delaware?
Yes. It ships to a licensed FFL dealer in Delaware; you pick it up there after the background check. This long gun ships to the licensed Delaware dealer you choose, where you finish Form 4473 and the background check.
Is it in stock?
Yes, at $1334.39. Orders leave within 1-2 business days; shipping is free over $999.

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