# ZRO Delta The One 9mm 4.5in Stealth Grey/Black

**Brand:** ZRO Delta
**Category:** Full Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.5"
- **UPC:** 8110690283200
- **SKU:** UD2InBFrou

## Description

The ZRO Delta The One is a modular 9mm pistol built around the Universal Fire Control (UFC), the serialized component of ZRO Delta's cross-platform ONE system. This configuration has a 4.5-inch barrel, a Stealth Grey/Black finish, and a 17+1 capacity. The UFC detaches from the pistol frame without tools and can be paired with other Platform Conversion Units to expand what the same fire control unit can do.

### Key Specifications
- **Brand:** ZRO Delta
- **Model:** The One
- **Caliber:** 9mm
- **Action:** Semi Auto
- **Capacity:** 17+1
- **Barrel Length:** 4.5 in
- **Color:** Stealth Grey/Black

### Detailed Features
- Universal Fire Control (UFC) is the serialized, transferable part of the system
- UFC detaches from the pistol frame without tools
- Compatible with other Platform Conversion Units for cross-platform use
- 4.5-inch barrel in a 9mm pistol configuration
- Stealth Grey/Black finish for a low-visibility look
- 17+1 capacity for practical everyday use

## Frequently Asked Questions

**Q: What caliber is the ZRO Delta The One?**

A: The One is chambered in 9mm.

**Q: What is the barrel length of the ZRO Delta The One?**

A: It has a 4.5 inch barrel.

**Q: How many rounds does the ZRO Delta The One hold?**

A: It has a 17+1 capacity.

**Q: Who makes the ZRO Delta The One?**

A: The One is made by ZRO Delta.

**Q: What type of firearm is the ZRO Delta The One?**

A: It is a modular 9mm pistol built around the Universal Fire Control, a serialized fire control unit that detaches from the frame without tools and can pair with other Platform Conversion Units.

**Q: Where can I buy the ZRO Delta The One?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The ZRO Delta ONE platform is newer to the market, and early owners of The One focus on how the Universal Fire Control unit performs across different builds rather than a long duty-cycle track record. Fit and finish on the Stealth Grey/Black models draws positive comments, and the tool-less detach system for the UFC generally works as intended.

With a 4.5-inch barrel, The One sits closer to a range and duty-oriented pistol than a compact carry gun, and owners who have handled it describe the grip and controls as conventional for a modern polymer-framed 9mm. The modular concept is the main draw for shooters who want to move one fire control unit between different builds instead of buying separate complete pistols.

Because the UFC modular system is still building out its ecosystem, aftermarket parts and Platform Conversion Units are more limited than for established pistol lines. Owners weighing The One tend to see the value in the flexibility of the modular design rather than in price alone.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $490.49 |

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*Data from [GunsNation](https://gunsnation.com)*