Ships to FFL
The Diamondback Firearms DB15 is a semi-automatic AR-15 pistol package designed around quick caliber changes. Its 5.56 NATO lower and 7-inch upper accept .223 Remington and are accompanied by a separate complete 10-inch .300 Blackout upper. Both uppers use chrome moly barrels with black nitride finishes, free-float M-LOK handguards, optics-ready flattop receivers, and A2 flash hiders. The forged aluminum receivers, direct gas impingement system, pistol buffer tube with foam pad, and Magpul pistol grip provide a familiar AR-15 setup for recreational shooting and lawful defensive use.
Key features
- Includes complete 5.56 NATO and .300 Blackout upper assemblies for convenient caliber changes
- 7-inch 5.56 NATO chrome moly barrel and 10-inch .300 Blackout chrome moly barrel
- Black nitride barrel finishes provide a durable, corrosion-resistant surface
- Free-float M-LOK handguards provide flexible accessory mounting options
- Optics-ready flattop upper receivers support compatible aiming optics
- Forged aluminum receivers and a mil-spec bolt carrier group provide a familiar AR-15 configuration
The Diamondback DB15 Multi-Caliber package combines two popular AR-15 pistol configurations in one versatile platform.
Diamondback Firearms DB15 Multi-Caliber 5.56 NATO .300: quick facts
- What caliber is the Diamondback Firearms DB15 Multi-Caliber 5.56 NATO .300?
- It is chambered in 5.56 NATO, .300 Blackout.
- How many rounds does it hold?
- 30 rounds.
- How big and heavy is it?
- Barrel length 7 inches.
- What kind of action does it use?
- Semi-Automatic.
- Is it optic ready or threaded?
- Optic ready: Yes.
- What sights and finish does it have?
- finish: Matte Black.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Connecticut?
- Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
- Is it in stock?
- Yes, at $1100.99. Orders leave within 1-2 business days; shipping is free over $999.
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