The Citadel Mariner in 20 Gauge (brand part no. FRMN2020NKL) is a pump-action shotgun built around an 18.5-inch barrel, giving boat and marine-environment shooters a corrosion-resistant platform for home and property defense. Legacy Sports International finishes the Mariner in nickel plating over a walnut stock and equips it with adjustable rifle-style sights for precise aim. Among pump-action shotguns, the Mariner favors shooters who want a nickel-finished 20-gauge built to shrug off moisture and salt air.

Key Specifications

• Chambered in 20 Gauge.
• Operates as a pump-action shotgun.
• Features an 18.5-inch barrel.
• Feeds from a magazine with a 4+1 capacity.
• Equipped with adjustable rifle-style sights.
• Finished in nickel plating.
• Built with a walnut stock.
• Manufacturer-categorized product type is Shotgun.
• Accepts both 2¾-inch and 3-inch 20-gauge shells for versatile chamber capacity.

Frequently Asked Questions

Why a nickel finish? Nickel plating resists corrosion in marine or humid environments.

What sights does this shotgun use? Adjustable rifle-style sights for precise aim.

Buy the Citadel Mariner 20 Gauge Nickel

A corrosion-resistant, nickel-finished 20-gauge pump built for marine and home-defense use is exactly what the Mariner delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.