ZRODelta The One | 9mm 4.5in | 17+1 | Black | 7550-0023-9990

The ZRODelta The One Complete Modular Pistol OR Duty is a duty-oriented modular handgun offered in 9mm with a 4.5-inch barrel and a 17+1 capacity. Its configuration and naming position it for professional and informed civilian users who prioritize modularity and consistent ergonomics. A compact red-dot optic such as a Trijicon RMR Type 2 pairs well with this platform and remains comfortably under $1,000 while providing proven durability and footprint compatibility for duty-style slides. Typical applications include duty/carry work and practical range training or competition.

Product Specifications

• The brand is ZRODelta.
• The model is The One Complete Modular Pistol OR Duty as listed by the manufacturer.
• The manufacturer’s part number is 7550-0023-9990.
• The product category is Semi Auto Handguns.
• The chambering is listed as 9mm.
• The barrel measures 4.5 inches.
• The stated magazine capacity is 17+1 rounds.
• The finish is listed as Black.
• The UPC is 8110690283064.

The One delivers a straightforward, modular duty-style package for shooters who want a no-nonsense, adaptable handgun. Its 4.5-inch barrel and 17+1 capacity make it well suited to sustained range sessions and professional carry applications where modularity and ergonomics matter. For buyers seeking a reliable optic pairing, select a compact reflex sight with a widely used footprint to preserve the slide profile and sight picture.