# Arex Delta M OR 9mm 4in Flat Dark Earth

**Brand:** Arex
**Category:** Semi-Automatic Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4"
- **UPC:** 197892019422
- **SKU:** UC3U0UkGs

## Description

The Arex Delta M OR is a 9mm semi-automatic pistol with a 4-inch barrel, finished in Flat Dark Earth and built optics-ready from the factory. It comes set up for a red dot sight and pairs that cut with a threaded barrel for muzzle devices. The frame uses interchangeable backstrap inserts and ambidextrous controls, so shooters can tune the grip and run the gun from either hand.

### Key Specifications
- **Brand:** Arex
- **Model:** Delta M OR
- **Caliber:** 9mm
- **Action:** Semi Auto
- **Capacity:** 15+1
- **Barrel Length:** 4 in
- **Finish:** Flat Dark Earth

### Detailed Features
- Optics-ready slide, factory cut for red dot mounting
- Threaded 4-inch barrel compatible with common muzzle devices
- Interchangeable frame and backstrap inserts for a custom fit
- Ambidextrous magazine release and slide release for left- and right-handed shooters
- Flat Dark Earth finish over the full pistol

## Frequently Asked Questions

**Q: What caliber is the Arex Delta M OR?**

A: The Arex Delta M OR is chambered in 9mm.

**Q: Who makes the Arex Delta M OR?**

A: Arex makes the Delta M OR.

**Q: What is the barrel length of the Arex Delta M OR?**

A: It has a 4-inch barrel.

**Q: How many rounds does the Arex Delta M OR hold?**

A: It has a 15+1 capacity.

**Q: What type of firearm is the Arex Delta M OR?**

A: It is a semi-automatic pistol with interchangeable backstrap inserts and ambidextrous magazine and slide releases.

**Q: Is the Arex Delta M OR optics-ready or threaded?**

A: Yes, it has an optics-ready slide cut for a red dot and a threaded barrel compatible with common muzzle devices.

**Q: Where can I buy the Arex Delta M OR?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Delta M OR generally like the ambidextrous controls and interchangeable backstraps, saying the pistol fits a wider range of hand sizes than most striker-fired guns in this class. The optics-ready slide draws praise from shooters who want to add a red dot without a separate milling job, though a few note the initial dot zero takes some patience.

Build quality gets mostly positive marks. Reliability out of the box is the common theme in feedback, with malfunctions described as rare once the pistol is broken in. Some owners mention the trigger has a bit more takeup than pricier competitors, but nobody calls it a dealbreaker.

For range and carry use, the threaded barrel appeals to owners who want a compensator or suppressor option later on. Aftermarket support is still catching up compared to more established polymer pistols, so holster and accessory choices can be more limited early on.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $525.00 |

## Similar Products

- [Arex Delta M OR 9mm 4in Black](https://gunsnation.com/p/arex-delta-m-or-9mm-4in-black/UC3U0UkGl)
- [Arex Delta L OR 9mm 4in](https://gunsnation.com/p/arex-delta-l-or-9mm-4in/UC3U0UkHz)
- [Arex Delta X OR 9mm 4in](https://gunsnation.com/p/arex-delta-x-or-9mm-4in/UC3U0UkHU)
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- [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)

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