# Arex Defense 9 Mm Firearms - Guns For Sale

Shop Arex Defense 9mm firearms built around compact carry, tactical, and steel-frame performance. This tag brings together Rex Zero 1CP compact pistols in black, FDE/black, nickel, and concealed carry configurations, along with Rex Zero 1S Gen 1 models with black poly or FDE finishes and practical safety controls.

For shoppers comparing Arex 9mm pistols, the lineup also includes the Rex Zero 1T Tactical with FDE finish, 20-round setup, and ambidextrous safety, plus the Delta M Gen 2 optics-ready pistol with a gray stippled grip and the Rex Alpha 9mm steel-frame semi-auto. Browse options by grip style, finish, frame weight, optic readiness, and control layout.

## Featured Firearms (25 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Arex Rex Zero 1S FDE 9mm Semi-Auto Pistol - High Capacity & Durable](https://gunsnation.com/p/arex-rex-zero-1s-fde-9mm-semi-auto-pistol-high-capacity-durable/UCEMC6Dww) | 9mm | - |
| [Arex Rex Zero 1CP Compact 9mm, 15-Rd, FDE/Black Pistol](https://gunsnation.com/p/arex-rex-zero-1cp-compact-9mm-15-rd-fde-black-pistol/UCEMC6Dx3) | 9mm | - |
| [Arex Delta M Gen 2 9mm Striker Pistol - Optics Ready, 17-Round Capacity](https://gunsnation.com/p/arex-delta-m-gen-2-9mm-striker-pistol-optics-ready-17-round-capacity/UCEMC6Eyw) | 9mm | - |
| [Arex Delta X Gen2 9mm - 19-Round Optics Ready FDE/Black Pistol](https://gunsnation.com/p/arex-delta-x-gen2-9mm-19-round-optics-ready-fde-black-pistol/UCEMC6F02) | 9mm | - |
| [Arex Delta M Gen 2 9mm FDE Semi-Auto Handgun, 17-Round Capacity](https://gunsnation.com/p/arex-delta-m-gen-2-9mm-fde-semi-auto-handgun-17-round-capacity/UCEMC6Ez3) | 9mm | - |
| [AREX Delta GEN 2X Tactical 9mm Optics-Ready Striker Handgun](https://gunsnation.com/p/arex-delta-gen-2x-tactical-9mm-optics-ready-striker-handgun/UCEMC6FCT) | 9mm | - |
| [AREX Delta X Gen 2 Tactical 9mm - Threaded, Optics-Ready](https://gunsnation.com/p/arex-delta-x-gen-2-tactical-9mm-threaded-optics-ready/UCEMC6FD5) | 9mm | - |
| [AREX Delta M2 Tactical 9MM - Compact FDE Precision Pistol](https://gunsnation.com/p/arex-delta-m2-tactical-9mm-compact-fde-precision-pistol/UCEMC6FCa) | 9mm | - |
| [Arex Delta X Gen2 Compact 9mm Pistol - 19rd Gray/Black](https://gunsnation.com/p/arex-delta-x-gen2-compact-9mm-pistol-19rd-gray-black/UCEMC6F0Q) | 9mm | - |
| [Arex Delta L Gen2 9mm Semi-Auto - Gray/Black, Optic Ready, 4.5" Barrel](https://gunsnation.com/p/arex-delta-l-gen2-9mm-semi-auto-gray-black-optic-ready-4-5-barrel/UCEMC6Ezv) | 9mm | - |
| [Arex Delta M Gen 2 Optics-Ready 9mm - Gray Stippled Grip Pistol](https://gunsnation.com/p/arex-delta-m-gen-2-optics-ready-9mm-gray-stippled-grip-pistol/UCEMC6EzQ) | 9mm | - |
| [AREX Zero 1 TC Tactical Optics-Ready Compact 9mm Pistol](https://gunsnation.com/p/arex-zero-1-tc-tactical-optics-ready-compact-9mm-pistol/UCEMC6EtJ) | 9mm | - |
| [AREX Zero 1 Compact 9mm Pistol - Black, Dual Action, 17 Rounds](https://gunsnation.com/p/arex-zero-1-compact-9mm-pistol-black-dual-action-17-rounds/UCEMC6Ef3) | 9mm | - |
| [AREX Delta GEN.2 Tactical 9mm Semi-Auto Handgun - Olive Green Threaded](https://gunsnation.com/p/arex-delta-gen-2-tactical-9mm-semi-auto-handgun-olive-green-threaded/UCEMC6FDT) | 9mm | - |
| [AREX Delta X Gen 2 Tactical 9mm Pistol with Threaded Barrel](https://gunsnation.com/p/arex-delta-x-gen-2-tactical-9mm-pistol-with-threaded-barrel/UCEMC6FDM) | 9mm | - |
| [AREX ZERO 1 TC 9MM 4.5in Flat Dark Earth](https://gunsnation.com/p/arex-zero-1-tc-9mm-4-5in-flat-dark-earth/UCEMC6EtQ) | 9mm | - |
| [Arex Delta L Optic-Ready 9mm Handgun - Black/FDE, 19-Round](https://gunsnation.com/p/arex-delta-l-optic-ready-9mm-handgun-black-fde-19-round/UCEMC6EzX) | 9mm | - |
| [Arex Delta M FDE 9mm Semi-Auto Pistol - Precision & Power](https://gunsnation.com/p/arex-delta-m-fde-9mm-semi-auto-pistol-precision-power/UCEMC6Ex7) | 9mm | - |
| [AREX Zero 1 9mm Pistol - Dual Action, 17rd, 4.25" Black Barrel](https://gunsnation.com/p/arex-zero-1-9mm-pistol-dual-action-17rd-4-25-black-barrel/UCEMC6Ecx) | 9mm | - |
| [Arex Rex Zero 1S: Compact 9mm Semi-Auto Pistol - Versatile Defense](https://gunsnation.com/p/arex-rex-zero-1s-compact-9mm-semi-auto-pistol-versatile-defense/UCEMC6DvS) | 9mm | - |

*Showing 20 of 25 products*

## Related Tags

- [Concealed Carry](https://gunsnation.com/t/concealed-carry)
- [Home Defense](https://gunsnation.com/t/home-defense)
- [Tactical](https://gunsnation.com/t/tactical)
- [Hunting](https://gunsnation.com/t/hunting)
- [Optic-Ready](https://gunsnation.com/t/optic-ready)
- [Best 9mm Handguns](https://gunsnation.com/t/best-9mm-handguns)
- [Military Classic](https://gunsnation.com/t/military-classic)
- [Match Pistols](https://gunsnation.com/t/match-pistols)

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