Free shipping over $999 · Firearms ship to your Iowa FFL dealerDes Moines and all 99 Iowa countiesFind your city · Shipping & FFL
Home / Shop / Rifles
Diamondback Firearms Carbon DB15 Carbon Series .223 Remington 5.56 NATO Olive Drab Green Rifle

The Diamondback Firearms Carbon DB15 Carbon Series rifle is an AR-pattern semi-automatic rifle chambered for both .223 Remington and 5.56 NATO. It features a 16-inch barrel with a 1:8 twist, a forged 7075-T6 aluminum receiver, and a 15-inch M-Lok rail for flexible accessory placement. The Olive Drab Green finish is paired with a collapsible Magpul MOE carbine stock and Magpul MOE grip for adjustable handling. A two-position thumb safety, A2 flash hider, and one included 30-round PMAG complete the factory configuration. The rifle ships without sights, allowing the user to select an optic or sighting system suited to their needs.

Key features

  • Chambered for both .223 Remington and 5.56 NATO
  • 16-inch threaded barrel with a 1:8 twist rate
  • 15-inch M-Lok rail provides versatile accessory mounting
  • Collapsible Magpul MOE carbine stock supports adjustable fit and storage
  • Forged 7075-T6 aluminum receiver balances strength and weight
  • 30+1 capacity with one included 30-round PMAG

The Diamondback Carbon DB15 combines practical AR-platform features with an adjustable stock and accessory-ready rail for range, training, and recreational use.

Diamondback Firearms Carbon DB15 Carbon Series .223: quick facts

What caliber is the Diamondback Firearms Carbon DB15 Carbon Series .223?
It is chambered in .223 Remington, 5.56 NATO.
How many rounds does it hold?
30+1 rounds; magazines included: 1.
How big and heavy is it?
Barrel length 16 inches, overall length 32 inches, weight 6.6 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: Olive Drab Green.
Is it new or used?
New, in the original packaging.
Can I buy it in Iowa?
Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Rifles and shotguns ship to your chosen Iowa FFL dealer for the background check and pickup.
Is it in stock?
Yes, at $708.96. Orders leave within 1-2 business days; shipping is free over $999.

Similar rifles in stock

Shop all →