The Citadel Mariner in 20 Gauge (brand part no. FRMN2020SYN) 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 black synthetic stock for low maintenance and equips it with adjustable rifle-style sights. Among pump-action shotguns, this Mariner favors shooters who want the same corrosion-resistant nickel finish paired with a rugged, easy-care synthetic stock.

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 black synthetic stock.
• Manufacturer-categorized product type is Shotgun.
• Accepts both 2¾-inch and 3-inch 20-gauge shells for versatile chamber capacity.

Frequently Asked Questions

What stock does this shotgun use? A black synthetic stock, low-maintenance and moisture-resistant.

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

Buy the Citadel Mariner 20 Gauge Synthetic

A corrosion-resistant nickel finish paired with a low-maintenance synthetic stock is exactly what this Mariner delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.