Diamondback DB15D 5.56MM Rifle 16 Inch Barrel MLOK Black

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The Diamondback DB15D 5.56MM Rifle from the Diamond Series is a precision-engineered AR-style semi-automatic rifle chambered in 223 Rem | 5.56 NATO. Featuring a 16-inch barrel with a 1-in-8 twist rate and a free-floating M-LOK rail for optimal accessory attachment, this rifle is finished in a rugged matte black. Built on a forged 7075 T-6 aluminum receiver and equipped with a Magpul ACS-L collapsible stock, the DB15D offers both durability and customization. With a 30+1 capacity, threaded barrel (1/2x28), and 2-position thumb safety, it’s designed for high performance in tactical or sporting scenarios.

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SKU
810035753136

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Engineered for reliability and accuracy, the Diamondback DB15D 5.56MM Rifle is part of the premium Diamond Series by Diamondback Firearms. Chambered in both .223 Remington and 5.56 NATO, this AR-style centerfire rifle is purpose-built for shooters seeking top-tier performance and rugged durability.

The DB15D features a 16-inch barrel with a 1-in-8 twist rate, optimized for stabilizing a wide range of bullet weights. Its lightweight forged 7075 T-6 aluminum receiver and matte black finish deliver a sleek, tactical look while resisting wear and corrosion. Outfitted with a free-floating M-LOK handguard, this rifle offers superior heat dissipation and modularity for mounting optics and accessories.

A Magpul ACS-L collapsible stock enhances ergonomics and shooting comfort, while the threaded barrel (1/2x28) allows for suppressor or muzzle device attachment. The 2-position thumb safety adds confidence and control during handling, and the rifle comes equipped with one 30-round PMAG.

Whether for range training, home defense, or tactical applications, the DB15D delivers Diamondback's renowned craftsmanship in a high-performance AR platform.

Key Features:

  • Semi-automatic AR-style rifle chambered in 223 Rem | 5.56 NATO
  • 16" barrel with 1-in-8 twist for versatile bullet stabilization
  • Free-floating M-LOK handguard for accessory customization
  • Forged 7075 T-6 aluminum receiver with matte black finish
  • Magpul ACS-L collapsible stock for comfort and adjustability
  • Threaded barrel (1/2x28) for suppressor/muzzle device compatibility
  • Ships with one 30-round PMAG

Specifications:

  • Manufacturer: Diamondback Firearms
  • Series: Diamond Series
  • Model: Diamond DB15 Rifle
  • Action: Semi-Auto
  • Barrel Length: 16 inches
  • Overall Length: 34" to 37.25"
  • Capacity: 30 + 1
  • Stock: Collapsible / Folding (Magpul ACS-L)
  • Weight: 6.95 lbs.
  • Safety: 2-Position Thumb Safety
  • Finish: Matte Black
  • Sight Type: None (optics ready)
  • Shipping Weight: 13.15 lbs.

Upgrade your arsenal with the Diamondback DB15D—where innovation meets tactical excellence.

More Information
Brand Diamondback
Action Semi-Automatic
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Diamondback DB15D 5.56MM Rifle 16 Inch Barrel MLOK Black

$1,441.00