# Mossberg 590RM Stand-Off 12 Gauge 18.5in Black

**Brand:** Mossberg
**Category:** Pump-Action Shotguns
**Caliber:** 12 Gauge

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 18.5"
- **UPC:** 015813502184
- **SKU:** UCHGBqIq

## Description

The Mossberg 590RM Stand-Off is a pump-action shotgun chambered in 12 gauge with an 18.5-inch breacher barrel and a 10+1 round capacity. It has a 2.75-inch chamber, a flat profile trigger, and an optic-ready receiver. The adjustable stock and black finish complete the tactical configuration.

### Key Specifications
- **Brand**: Mossberg
- **Model**: 590RM Stand-Off
- **Caliber**: 12 Gauge
- **Action**: Pump Action
- **Capacity**: 10+1
- **Barrel Length**: 18.5 in
- **Color/Finish**: Black

### Detailed Features
- 18.5-inch breacher barrel with 2.75-inch chamber
- 10+1 round capacity
- Optic-ready receiver
- Flat profile trigger
- Adjustable stock

## Frequently Asked Questions

**Q: What gauge is the 590RM Stand-Off?**

A: The 590RM Stand-Off is chambered in 12 gauge with a 2.75-inch chamber.

**Q: Who makes the 590RM Stand-Off?**

A: The 590RM Stand-Off is made by Mossberg.

**Q: What type of firearm is the 590RM Stand-Off?**

A: It is a pump-action shotgun.

**Q: What is the barrel length of the 590RM Stand-Off?**

A: The 590RM Stand-Off has an 18.5-inch breacher barrel.

**Q: How many rounds does the 590RM Stand-Off hold?**

A: It has a 10+1 round capacity.

**Q: Is the 590RM Stand-Off optic-ready?**

A: Yes, the 590RM Stand-Off has an optic-ready receiver.

**Q: Where can I buy the 590RM Stand-Off?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the 590RM Stand-Off frequently highlight the 10+1 capacity as a key differentiator from standard 590 variants. The breacher barrel and optic-ready receiver are cited as purpose-built features that keep the platform relevant for close-range use, and the flat profile trigger is noted as a comfortable improvement over the standard trigger guard.

The pump mechanism is consistently described as smooth and positive, with owners reporting reliable cycling across a wide range of 12-gauge loads. Some users find 12-gauge recoil at 18.5 inches stout during extended sessions, particularly with heavier buckshot, and note the adjustable stock helps dial in a comfortable length of pull to manage it.

Reliability feedback on the 590RM is broadly positive. The mag-fed configuration is appreciated for faster reloads compared to tube-fed alternatives, though a few owners report needing to break in the magazine feed lips for consistent feeding from the first few rounds.

## Pricing

**12 offers available**

| Vendor | Price |
|--------|-------|
| Gritrsports Com | $814.99 |
| Grabagun Com | $819.99 |
| Buds Gun Shop | $833.99 |
| Shootingsurplus Com | $841.03 |
| Centerfiresystems Com | $864.99 |
| Globalordnance Com | $867.43 |
| Impactguns Com | $868.29 |
| Palmettostatearmory Com | $887.99 |
| Deguns | $890.99 |
| Brownells | $896.99 |

*...and 2 more offers*

## Similar Products

- [Mossberg 590R Stand-Off 12 Gauge 18.5in Black](https://gunsnation.com/p/mossberg-590r-stand-off-12-gauge-18-5in-black/UCHGBriR)
- [Mossberg 590R Stand-Off 12 Gauge 18.5in FDE](https://gunsnation.com/p/mossberg-590r-stand-off-12-gauge-18-5in-fde/UCHGBrhZ)
- [Mossberg 590R Stand-Off 12 Gauge 18.5in OD Green](https://gunsnation.com/p/mossberg-590r-stand-off-12-gauge-18-5in-od-green/UCHGBrhq)
- [Mossberg 590A1 12 Gauge 18.5in Black](https://gunsnation.com/p/mossberg-590a1-12-gauge-18-5in-black/UCHGBroc)
- [Mossberg 590S 12 Gauge 18.5in Black](https://gunsnation.com/p/mossberg-590s-12-gauge-18-5in-black/UCHGBtvH)
- [Mossberg 590RM 12 Gauge 18.5in Black](https://gunsnation.com/p/mossberg-590rm-12-gauge-18-5in-black/UCHGBqI7)

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