The Diamondback DBX57 is a semi-automatic pistol chambered for the 5.7x28mm cartridge. It features an 8-inch stainless steel barrel with a 1:9 right-hand twist and a forged 7075 T-6 aluminum receiver. The design incorporates a locked-breech, dual gas piston operating system with four adjustments and accepts FN Five-SeveN style 20-round magazines.
Key Specifications
- Chambering is 5.7x28mm.
- The barrel measures 8 inches and is stainless steel with a 1:9 RH twist.
- Action type is Semi-Auto.
- Operating system is a locked-breech, dual gas piston design with four adjustments.
- The barrel is threaded 1/2×28 RH and includes the DBX flash hider.
- Includes a 20-round magazine compatible with FN Five-SeveN pattern magazines.
- Receiver is constructed from forged 7075 T-6 aluminum.
- Handguard is 6061 aluminum and is M-LOK compatible for accessory mounting.
- Grip is a Magpul MOE K style grip.
- Weight is listed as 3 lbs (with empty magazine).
The DBX57 combines modern materials and an advanced piston operating system for shooters who want a lightweight, compact platform for range use and defensive applications. Its M-LOK handguard and threaded muzzle provide options for accessories and muzzle devices, while the Magpul grip and mil-spec trigger offer familiar ergonomics for AR-style shooters.
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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