The Diamondback DBX CF is a semi-automatic pistol chambered in 5.7x28mm. It has an 8-inch barrel, 20+1 capacity, and a 7075-T6 aluminum receiver finished in Battleworn Storm Trooper White Cerakote. At 3 lbs. and 16 inches overall, it sits in the PDW-pistol category rather than a compact carry gun. 
 

Key Specifications 

• Brand: Diamondback 
• Model: DBX CF 
• Action: Semi-Automatic 
• Caliber: 5.7x28mm 
• Barrel Length: 8 inches 
• Capacity: 20+1 rounds 
• Finish: Distressed White Cerakote 
• Receiver Material: 7075-T6 Aluminum 
• Weight: 3 lbs. 
• Overall Length (OAL): 16 inches 
   

Features 

The receiver is optic-ready, so mounting a red dot or magnified optic doesn't require an adapter plate. M-Lok handguards run along the forend and let you attach lights, grips, or other accessories without adding much bulk. The 5.7x28mm cartridge produces low recoil relative to its velocity, which keeps muzzle rise manageable for fast follow-up shots. The Cerakote finish resists corrosion.

The Diamondback DBX CF in Distressed White gets genuinely positive reactions on aesthetics and mixed-to-positive feedback on performance.

The white Cerakote finish draws attention and is generally well-received among owners who want something visually distinct. Ergonomics come up positively—controls are accessible and the grip feels natural, which makes it approachable for different experience levels. The 5.7mm cartridge's low recoil and high velocity are frequently cited strengths; it makes extended range sessions comfortable and accurate.

Reliability is where opinions diverge. Most owners report smooth, consistent operation, but there are enough reports of occasional feeding issues or jams to suggest quality control is not perfectly uniform across the production run. Ammunition availability and cost are real considerations for the 5.7x28mm caliber—it's not as easy to find or as cheap as 9mm or .22 LR. Pricing is debated; some buyers feel the feature set justifies the cost, others think it's high for the category. On the whole, the community reception is cautiously positive, with the recurring advice to handle one in person and research reliability reports before buying.