Diamondback DB15 300 AAC Blackout 16″ Rifle – DB1718B002

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The Diamondback DB15 (Model DB1718B002) is a full-length 300 AAC Blackout AR-15 rifle with a 16″ black nitride barrel, M-LOK free-float handguard, forged aluminum receivers, and 30+1 capacity—optimized for quiet, hard-hitting performance.

$685.00

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The Diamondback DB15 chambered in 300 Blackout is engineered for enhanced terminal performance in a suppressed or unsuppressed role. The rifle features a 16″ 4150 chrome-moly steel barrel with a 1:8″ twist, finished in black nitride for long-lasting durability and corrosion resistance.

This DB15 utilizes a carbine-length gas system for reliable function with supersonic and some subsonic loads. It comes standard with a 15″ M-LOK free-float handguard, giving shooters a solid, modular platform for attaching lights, grips, or lasers.

The forged 7075-T6 aluminum upper and lower receivers are hardcoat anodized black. Outfitted with a Magpul MOE stock and grip, a 30-round Magpul PMAG, and an A2 flash hider, the DB1718B002 is ready for action. The upper is optic-ready, providing a full-length Picatinny top rail.

Key Features:

  • Caliber: 300 AAC Blackout

  • Barrel Length: 16″ black nitride

  • Barrel Material: 4150 chrome-moly steel

  • Twist Rate: 1:8″

  • Gas System: Carbine-length

  • Muzzle: Threaded 1/2×28 with A2 flash hider

  • Handguard: 15″ M-LOK free-float

  • Receiver Material: 7075-T6 aluminum

  • Furniture: Magpul MOE stock and grip

  • Capacity: 30+1

  • Magazine: Magpul 30-round PMAG

  • Weight: Approx. 6.6 lbs

  • Overall Length: Approx. 32.5″–35.75″

FAQ:
Q: Is this rifle suppressor-ready?
A: Yes. The barrel is threaded 1/2×28, ready for suppressors or other muzzle devices.

Q: Can I shoot both subsonic and supersonic ammo?
A: Yes, though reliability with subsonic ammo may vary without a suppressor.

Q: Are sights included?
A: No. The rifle ships optics-ready with no backup iron sights.

Q: Is the handguard aluminum?
A: Yes. It’s a 15″ free-float M-LOK aluminum handguard.

Brought to you by Black Bayou Armory.

UPC

810035756434

Manufacturer
Manufacturer Part Number

DB1718B002

Number of Magazines

1 Gen 3 PMAG 300 BO

Capacity

30 + 1

Caliber/Gauge
ATF Type

Rifle

Barrel Length

16"

Package Height

4.0

Package Width

9.0

Rate of Twist

1-in-8

Sights

No Sights

Shipping Weight

9.85

Action

Semi-Auto

Product Type

Rifle

Model

DB15

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