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Diamondback DBX57 5.7×28 8″ Brace 30+1 Bright Nickel

Diamondback DBX57 5.7×28 8″ Brace 30+1 Bright Nickel

$1,075.00

Diamondback DBX57 semi-auto pistol chambered in 5.7 x 28 mm with an 8″ barrel, Strike FSA dual folding brace, M-LOK handguard, and a 30+1 capacity. Finished in Bright Nickel Cerakote with a forged 7075 T-6 aluminum receiver.

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SKU: DAV|DB1680L301Categories: Semi Auto HandgunsTags: Online Only

The Diamondback DBX57 is a semi-automatic pistol configured around the 5.7 x 28 mm cartridge with an 8″ barrel. It pairs a forged 7075 T-6 aluminum receiver with a 6061 aluminum M-LOK handguard and a Strike FSA dual folding brace for compact transport and modular accessory options. The build includes a dual gas piston system and a bright nickel Cerakote finish for a corrosion-resistant surface.

Key Specifications

  • Chambered for 5.7 x 28 mm.
  • The barrel measures 8″.
  • Magazine capacity is 30 + 1.
  • Action type is Semi-Auto.
  • Finish is Bright Nickel Cerakote.
  • Receiver is Forged 7075 T-6 Aluminum.
  • Handguard is a 6061 Aluminum M-LOK Handguard.
  • Includes a Strike FSA Dual Folding Brace.
  • Rate of twist is 1-in-9.
  • NFA thread pattern is 1/2×28.

Purpose-built components and a compact footprint make the DBX57 suitable for advanced range use, precision-oriented training, and setups where a compact, high-capacity platform is preferred. Its M-LOK handguard and piston operating system support a variety of accessory and load choices while maintaining reliable function. The combination of a forged 7075 T-6 receiver, Magpul MOE K grip, and a corrosion-resistant Cerakote finish delivers a durable, serviceable platform for practical shooting applications.

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

810035756571

Manufacturer

Diamondback Firearms

Manufacturer Part Number

DB1680L301

Shipping Weight

0.0

Sights

No Sights

Product Type

Semi-Auto Pistol

Rate of Twist

1-in-9

Action

Semi-Auto

Barrel Length

8"

Caliber/Gauge

5.7 x 28 mm

Capacity

30 + 1

Number of Magazines

1 30rd. Magazine

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