Diamondback DBX57 5.7×28 Pistol | 8″ Barrel | 30rd | DB1680L001

Diamondback Firearms’ DBX57 is a semi-automatic 5.7×28 pistol featuring an 8-inch threaded barrel and a Strike FSA dual folding brace. It combines a forged 7075-T6 receiver with a 6061 aluminum M-LOK handguard and a high-capacity 30+1 magazine for extended range use. For a practical optic under $1,000 that complements the platform, consider a Vortex Venom 6 MOA red dot for fast, intuitive sighting. Typical applications include range training and competition/practical shooting.

Product Specifications

• The manufacturer is DIAMONDBACK FIREARMS, LLC.
• The ATF model is DBX.
• The caliber is 5.7 x 28 mm.
• The action is Semi-Auto.
• The barrel length is 8 inches.
• The magazine capacity is 30 + 1.
• Included magazines: 1 30rd. Magazine.
• The overall length is 16.9 to 25.4 inches.
• The weight is 3.9 lbs..
• The receiver is Forged 7075 T-6 Aluminum.
• The handguard is 6061 Aluminum with M-LOK.
• The brace is a Strike FSA Dual Folding Brace and the grip is a Magpul MOE K Grip.
• The rifling rate of twist is 1-in-9.
• Sights are listed as No Sights.
• The UPC is 810035756564.

The DBX57 presents a compact, configurable 5.7 platform that balances lightweight construction and high-capacity readiness. Its threaded 8-inch barrel, M-LOK handguard, and folding brace make it suited to controlled range sessions and competitive formats where modularity and quick handling matter. The DBX57’s specification set makes it an option for shooters who prioritize a modern, feature-forward pistol for training and sport.

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