# Citadel Mariner 12G Pump Shotgun - 18.5" Nickel/Black Versatile Guardian

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

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 18.5"
- **Capacity:** 4 rounds
- **Finish:** BLACK AND STAINLESS
- **Weight:** 110.4 oz
- **Overall Length:** 39"
- **UPC:** 682146897944
- **SKU:** UCC0aorhg

## Description

The Citadel Mariner is a pump-action shotgun in 12 gauge with an 18.5-inch barrel, nickel/black finish, and steel receiver. It's built for home defense and general utility use.

### Key Specifications
- **Manufacturer:** Citadel
- **Model Name:** Mariner
- **Type:** Pump Shotgun
- **Caliber/Gauge:** 12 Gauge
- **Barrel Length:** 18.5 inches
- **Overall Length:** 39 inches
- **Capacity:** 4+1 rounds
- **Chamber Size:** 3 inches 
- **Weight:** 6.9 lbs 
- **Finish Type:** Nickel/Black 
- **Receiver Material:** Steel 
- **Sights Type:** Blade Front & Adjustable Rear 

### Detailed Features

The 18.5-inch barrel and 39-inch overall length make it maneuverable in confined spaces. The Picatinny rail receiver accepts optics and tactical lights without additional machining. Blade front and adjustable rear sights give more precision than a standard bead, which matters at home-defense distances.

The full-length barrel heat shield keeps hands off hot metal during extended firing. At 6.9 lbs it's on the heavier side for a short-barrel pump, but the steel receiver adds durability. The nickel finish on the receiver contrasts with the blued barrel, giving it a distinct look.

### Usage Scenarios

The short barrel, adjustable sights, and Picatinny rail point squarely at home defense. It also works for sport shooting and hunting in situations where a compact package is more practical than maximum range.

## Frequently Asked Questions

**Q: What caliber is the Mariner?**

A: The Mariner is chambered in 12 Gauge with a 3-inch chamber.

**Q: Who makes the Mariner?**

A: The Mariner is made by Citadel.

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

A: It is a pump-action shotgun with a steel receiver and a nickel/black finish.

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

A: The barrel is 18.5 inches long.

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

A: It has a 4+1 capacity.

**Q: Is the Mariner optic-ready?**

A: Yes, the Picatinny rail receiver accepts optics and accessories without additional machining.

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

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The Citadel Mariner 12G Nickel/Black gets consistent positive marks for build quality and the distinctive nickel finish. Users appreciate the compact size for home defense and the Picatinny rail for adding accessories. The pump action is described as reliable across different ammunition types.

Recoil and muzzle rise in rapid firing come up occasionally, though most users find it manageable. Weight at 6.9 lbs is noted but not a deal-breaker for the use case. Price-to-value is a consistent positive. The Mariner is routinely compared favorably against Mossberg and Remington options at similar price points. Customer service feedback is the most variable element based on individual experiences. Overall the gun rates well for its intended purpose.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $238.88 |
| Guns Com | $241.99 |
| Centerfiresystems Com | $241.99 |
| Gritrsports Com | $242.99 |
| Globalordnance Com | $245.28 |
| Palmettostatearmory Com | $245.99 |
| RK Guns | $249.97 |
| Grabagun Com | $249.99 |
| Kygunco Com | $258.08 |
| Deguns | $258.99 |

*...and 3 more offers*

## Similar Products

- [Citadel Mariner Nickel 12GA Pump Shotgun - Versatile & Reliable](https://gunsnation.com/p/citadel-mariner-nickel-12ga-pump-shotgun-versatile-reliable/UCC0aorVj)
- [Citadel CDP-12 Force Pump Shotgun - 12 Gauge, Matte Black Guardian](https://gunsnation.com/p/citadel-cdp-12-force-pump-shotgun-12-gauge-matte-black-guardian/UCC0anCyC)
- [Citadel Mariner 20 Gauge 18.50in Nickel Synthetic](https://gunsnation.com/p/citadel-mariner-20-gauge-18-50in-nickel-synthetic/UCC0aoryX)
- [Citadel Mariner 20 Gauge 18.50in Nickel Walnut](https://gunsnation.com/p/citadel-mariner-20-gauge-18-50in-nickel-walnut/UCC0aoryG)
- [GForce GF3PN Nickel Pump Shotgun: 12GA, 18.5", Versatile Performance](https://gunsnation.com/p/gforce-gf3pn-nickel-pump-shotgun-12ga-18-5-versatile-performance/UCBKNrXFU)
- [Citadel CDA-12 Force Tactical 12GA Pump Shotgun - Matte Black, 20" Barrel](https://gunsnation.com/p/citadel-cda-12-force-tactical-12ga-pump-shotgun-matte-black-20-barrel/UCC0anCyQ)

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