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Diamondback Firearms DB15 5.56 NATO 16″ M-LOK – Black

Diamondback Firearms DB15 5.56 NATO 16″ M-LOK – Black

$1,038.98

Diamondback DB15D semi-automatic rifle chambered in 5.56 NATO with a 16″ 4150 CrMoV mid-length barrel, 15″ M-LOK anti-rotation handguard, Magpul ACS-L stock and CMC 3.5 lb single-stage trigger.

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SKU: IRV|978356Categories: AR RiflesTags: Online Only

The Diamondback DB15D is a purpose-built AR-pattern rifle configured for general-purpose shooting and utility use. It is built on forged 7075-T6 aluminum upper and lower receivers and features a 16-inch, mid-length 4150 Chrome-Moly-Vanadium barrel with a black nitride finish. The rifle ships with a 15-inch M-LOK anti-rotation handguard, Magpul furniture, and a CMC 3.5 lb single-stage drop-in trigger.

Key Specifications

  • Chambered in 5.56 NATO / .223 Rem.
  • The barrel measures 16 inches and is 4150 CrMoV with a black nitride finish and 1:8 twist.
  • Equipped with a mid-length gas system with a pinned gas block.
  • Includes a shot-peened Mil-Spec 8620 bolt carrier group.
  • Built on forged 7075-T6 aluminum upper and lower receivers.
  • Features a 15-inch M-LOK anti-rotation (S-rail) handguard for accessory mounting.
  • Furnished with a Magpul ACS-L adjustable stock.
  • Ships with a Magpul MOE-K2+ grip.
  • Includes one 30-round Gen 2 PMAG (30 + 1 capacity).
  • Factory trigger is a CMC 3.5 lb single-stage drop-in unit.

The DB15D combines durable materials and practical features to serve a range of duties from range use to general utility applications. Its combination of a medium-profile 4150 CrMoV barrel, stable receiver set, reliable gas system and quality components from Magpul and CMC make it a solid choice for shooters who want a ready-to-use AR-style rifle with modern furniture and serviceable performance characteristics.

Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.

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UPC

810035753136

Manufacturer

Diamondback Firearms

Manufacturer Part Number

DB1758K001

Action

Semi-Auto

ATF Type

Rifle

Barrel Finish

Black Nitride

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Length

34

Magazine Included

1 x 30-Round

Model

DB15

Number of Magazines

1 30 rd. PMAG

Package Height

9.0

Package Width

3.5

Product Type

AR

Rate of Twist

1:8"

Safety

Manual

Shipping Weight

13.15

Sights

No Sights

Thread Pattern

1/2"-28 tpi

Units per Box

1

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