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Diamondback Firearms DB15 AR Style 5.56 NATO Blue/Black Rifle

The Diamondback Firearms DB15 is a versatile 5.56 NATO semi-automatic rifle built around lightweight 7075-T6 aluminum receivers. Its 16-inch medium-profile 4150 Chrome Moly steel barrel uses a carbine-length direct-impingement gas system and a pinned gas block for dependable operation. A 15-inch M-LOK anti-rotation handguard provides flexible accessory mounting, while the Magpul MOE grip and six-position carbine stock support a comfortable, adaptable shooting position. The rifle includes a threaded muzzle with an A2 flash hider and a 1:8 twist rate suited to a broad range of bullet weights.

Key features

  • 5.56 NATO chambering with 30+1 capacity for training, sport shooting, and general-purpose use
  • 16-inch medium-profile 4150 Chrome Moly barrel with durable black Melonite finish
  • Carbine-length direct-impingement gas system with pinned gas block
  • 15-inch M-LOK anti-rotation handguard supports a wide range of accessories
  • 7075-T6 aluminum receivers help reduce weight while maintaining strength
  • Magpul MOE grip and six-position carbine stock provide ergonomic adjustability

The Diamondback Firearms DB15 combines a practical carbine configuration with modern modular features for a capable, adaptable rifle platform.

Diamondback Firearms DB15 AR Style 5.56 NATO Blue/Black: quick facts

What caliber is the Diamondback Firearms DB15 AR Style 5.56 NATO Blue/Black?
It is chambered in 5.56 NATO.
How many rounds does it hold?
30+1 rounds.
How big and heavy is it?
Barrel length 16 inches, overall length 32.5 inches, weight 6.65 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?
Sights: Standard Sights; finish: Blue/Black.
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 $574.99. Orders leave within 1-2 business days; shipping is free over $999.

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