# Citadel Mariner 20 Gauge 18.50in Nickel Synthetic

**Brand:** Citadel
**Category:** Pump-Action Shotguns
**Caliber:** 20 Gauge

## Specifications

- **Caliber:** 20 Gauge
- **Barrel Length:** 18.5"
- **UPC:** 682146898989
- **SKU:** UCC0aoryX

## Description

The Citadel Mariner is a pump-action shotgun chambered in 20 Gauge with a 3-inch chamber. It has an 18.50-inch nickel-finished barrel fitted with a heat shield, a nickel-finished aluminum receiver, and a Picatinny rail. The stock is a black fixed synthetic, and capacity is 4+1 rounds.

### Key Specifications
- **Brand**: Citadel
- **Model**: Mariner
- **Caliber**: 20 Gauge
- **Action**: Pump Action
- **Capacity**: 4+1
- **Barrel Length**: 18.50 in
- **Color/Finish**: Nickel

### Detailed Features
- 18.50-inch nickel-finished barrel with heat shield
- Nickel-finished aluminum receiver
- Picatinny rail for optic or accessory mounting
- Black fixed synthetic stock
- 3-inch chamber

## Frequently Asked Questions

**Q: What gauge is the Citadel Mariner?**

A: The Citadel Mariner is chambered in 20 Gauge with a 3-inch chamber.

**Q: Who makes the Mariner shotgun?**

A: The Mariner is made by Citadel.

**Q: What type of firearm is the Citadel Mariner?**

A: It is a pump-action shotgun.

**Q: What is the barrel length of the Citadel Mariner?**

A: The Mariner has an 18.50-inch barrel with a nickel finish and heat shield.

**Q: How many rounds does the Citadel Mariner hold?**

A: Capacity is 4+1 rounds.

**Q: Where can I buy the Citadel Mariner?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> It kills me to do a video like this because I've had such good experience with Citadel firearms uh that this one is my first lemon.
>
> — [Derek Jones](https://www.youtube.com/watch?v=JGKNg4mDjzc&t=0s)

> Citadel. Again, this is not a hit piece. I have a lot of Citadel firearms, but about every in the cold, it's about every three shots.
>
> — [Derek Jones](https://www.youtube.com/watch?v=JGKNg4mDjzc&t=122s)

> It's about every 10 shots I love this shotgun it's really good looking.
>
> — [Derek Jones](https://www.youtube.com/watch?v=JGKNg4mDjzc&t=132s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Citadel Mariner in the synthetic configuration tend to emphasize its corrosion-resistant finish as the primary draw. The nickel treatment on both the barrel and receiver is cited as holding up well to wet conditions, which appeals to those who use it as a home defense or truck gun.

The Picatinny rail gets mixed feedback. Some appreciate the factory mounting point for a light or red dot, while others find the aluminum receiver less confidence-inspiring than steel alternatives at a similar price point.

Value perception is generally positive given the street price, though trigger and action smoothness are common upgrade targets after the first few range sessions. The Mariner's short barrel and pump reliability are recurring positives in owner discussions.

## Pricing

**11 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $238.88 |
| Centerfiresystems Com | $241.99 |
| Globalordnance Com | $245.28 |
| Guns Com | $245.99 |
| Palmettostatearmory Com | $245.99 |
| Buds Gun Shop | $246.99 |
| Grabagun Com | $249.99 |
| Kygunco Com | $258.08 |
| Deguns | $258.99 |
| Selwayarmory Com | $259.49 |

*...and 1 more offers*

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