# OA Defense 2311 Pro 9mm 5in Black

**Brand:** OA Defense
**Category:** Full Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 5"
- **UPC:** 850055310698
- **SKU:** UCExs9SBO

## Description

The OA Defense 2311 Pro is a semi-automatic pistol chambered in 9mm with a 5-inch ported barrel. It holds 21 rounds and ships with 5 magazines, 4 optic plates, tritium sights, an extended magazine release, and a case. The all-black configuration is optics-ready out of the box.

### Key Specifications
- **Brand**: OA Defense
- **Model**: 2311 Pro
- **Caliber**: 9mm
- **Action**: Semi Auto
- **Capacity**: 21
- **Barrel Length**: 5 in
- **Color/Finish**: Black

### Detailed Features
- 5-inch ported barrel
- Optics-ready with 4 optic plates included
- Tritium sights standard
- Extended magazine release
- Includes 5 21-round magazines and a case

## Frequently Asked Questions

**Q: What caliber is the 2311 Pro?**

A: The OA Defense 2311 Pro is chambered in 9mm.

**Q: Who makes the 2311 Pro?**

A: The 2311 Pro is made by OA Defense.

**Q: What type of firearm is the 2311 Pro?**

A: It is a semi-automatic full-size handgun.

**Q: What is the barrel length of the 2311 Pro?**

A: The barrel is 5 inches and is ported.

**Q: How many rounds does the 2311 Pro hold?**

A: It has a 21-round capacity and ships with 5 magazines.

**Q: Is the 2311 Pro optic-ready?**

A: Yes. It comes optics-ready out of the box and includes 4 optic plates.

**Q: What sights does the 2311 Pro have?**

A: It comes standard with tritium sights.

**Q: Where can I buy the 2311 Pro?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the OA Defense 2311 Pro highlight the completeness of the package as a primary selling point. Arriving with 5 magazines, 4 optic plates, and a case reduces the immediate add-on purchases common with other pistols at the price point. The 2311-pattern platform with 21-round 9mm magazines draws interest from competition and high-capacity shooters alike.

The ported barrel is a distinctive feature, and owners generally note reduced muzzle rise compared to unported configurations. Some users find the muzzle noise and blast in enclosed spaces to be a drawback, while range and competition shooters rarely cite it as a problem. The extended magazine release speeds reloads and receives positive marks.

OA Defense is a newer entrant in the market, and long-term durability data is more limited compared to established platforms. Early owner feedback on fit and finish tends to be positive, and the 2311 Pro's value relative to comparable double-stack 9mm pistols is a recurring discussion point. Trigger quality is generally rated above average for the segment.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $2599.00 |
| Kygunco Com | $2599.00 |
| Selwayarmory Com | $2599.00 |

## Similar Products

- [OA Defense OA 2311 Pro 9mm 5in Desert Black](https://gunsnation.com/p/oa-defense-oa-2311-pro-9mm-5in-desert-black/UCExs9SCN)
- [OA Defense 2311 Pro 9mm 5in Black Gray](https://gunsnation.com/p/oa-defense-2311-pro-9mm-5in-black-gray/UCExs9SBb)
- [OA Defense 2311 Pro Elite 9mm 5in Black](https://gunsnation.com/p/oa-defense-2311-pro-elite-9mm-5in-black/UCExs9SCb)
- [OA Defense OA 2311 Pro 9mm 5in Desert Sage](https://gunsnation.com/p/oa-defense-oa-2311-pro-9mm-5in-desert-sage/UCExs9SBz)
- [OA Defense 2311 9mm 5in Black](https://gunsnation.com/p/oa-defense-2311-9mm-5in-black/UCExs9S09)
- [OA Defense 2311 Pro Elite 9mm 5in Matte Black](https://gunsnation.com/p/oa-defense-2311-pro-elite-9mm-5in-matte-black/UCExu9mOT)

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