First Look: Citadel Mariner 20 Gauge Pump Shotgun

The stainless-steel construction helps resist corrosion.

by
posted on September 30, 2025
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Citadel Mariner 20 Gauge Pump Shotgun

Legacy Sports International is now offering the Citadel Mariner pump-action shotgun model in 20 gauge. Even though 20-gauge shotshells are smaller overall compared to 12-gauge shells, they can still pack an effective payload for defensive purposes and have less felt recoil. Buckshot loads are available in this gauge, with the industry improving its 20-gauge-specific offerings every year.

The pump-action Citadel Mariner comes with a stainless “marine” finish that protects its base metals against corrosion from salt air and humidity. As a security-focused shotgun, it also includes defensive ghost-ring sights and a Picatinny rail for mounting an optic. The Citadel Mariner also has Remington 870-pattern controls, including an action-release lever in front of the trigger guard and a crossbolt trigger safety. The shotgun also incorporates twin action bars for added strength and reliability while pumping. The shotgun also includes a heat shield and a side saddle mounted on the left side of its receiver as bonus features.

Legacy Sports International Citadel 20-gauge Pump-Action Shotgun Features

  • Action: Pump-action
  • Gauge: 20 gauge
  • Chamber Length: 3-inch chamber
  • Magazine Capacity: 4 rounds
  • Barrel Length: 18.5 inches
  • Shroud: Full heat shield barrel
  • Overall Length: 39 inches
  • Overall Weight: 6 pounds, 14 ounces
  • Sights: Ghost ring
  • Optics-Ready: Black Picatinny receiver rail
  • Receiver Material: Steel
  • Ammo Side saddle
  • Available with wood or synthetic black

MSRP for the Citadel Mariner pump-action 20-gauge shotgun is $279. To learn more about this new shotgun or the wide range of firearms that Legacy Sports International offers from around the globe, visit Legacy’s website at www.legacysports.com

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