Citadel Mariner 12-Gauge Pump Shotgun 18.5in

$267.26 22 in stock

Corrosion-resistant nickel-finished 12-gauge pump shotgun with 18.5-inch barrel, 4+1 capacity, adjustable sights, Picatinny rail, heat shield, and three choke tubes for versatile shooting.

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Citadel Mariner 12-Gauge Pump Shotgun

The Citadel Mariner is a purpose-built pump-action shotgun designed for shooters who demand reliability and versatility in a compact package. Its 18.5-inch barrel strikes an ideal balance between maneuverability and shot pattern control.

Corrosion Resistance & Aesthetics

The nickel finish provides genuine corrosion resistance—a practical advantage for shooters in harsh environments or those who value long-term durability. The finish also delivers a refined, professional appearance that distinguishes the Mariner from conventional tactical shotguns.

Capacity & Compatibility

With a 4+1 magazine capacity, the Mariner handles both 2.75-inch and 3-inch shells, giving you flexibility in ammunition selection and shot payload options.

Sighting & Mounting

  • Adjustable rear sight for precise elevation adjustment
  • Blade front sight for rapid target acquisition
  • Picatinny rail mounted on the receiver for optic mounting

Practical Features

  • Full-length barrel heat shield protects your support hand during sustained fire
  • Side shell holder keeps additional rounds accessible for quick reloads
  • Three choke tubes included for pattern customization
  • Walnut wood furniture provides a traditional, ergonomic grip

Whether you're training for home defense or enjoying recreational shooting, the Mariner delivers dependable performance in a compact, well-appointed platform.

Features

  • action: pump-action shotgun
  • gauge: 12 gauge
  • barrel length: 18.5 inches, nickel finish
  • overall length: 39 inches
  • weight: 6.9 lbs
  • chamber size: 3 inches
  • stock material: walnut
  • capacity: 4 + 1 rounds
  • choke tubes: includes 3 choke tubes for shot pattern customization
  • shell holder: side shell holder for convenience
  • heat shield: full-length barrel heat shield
  • sights: adjustable rear sight with picatinny rail, blade front sight for quick target acquisition
  • side shell holder
  • full length barrel heat shield

Attributes

Accessory: Unknown
Action: Pump Action
Barrel Description: Full Heat Shield
Barrel Length: 18.5"
Barrel Length: 20"
Brand: Citadel
Caliber: 12 Gauge
Capacity: 4+1
Chamber: 3"
Choke Configuration: Choke Set (C, IC, M, IM, F)
Color: Wood/Silver
Features: Not Specified
Finish: Nickel
Finish: Nickel Cerakote
Gauge: 12 Gauge
Grips: Walnut
Hand: Right Hand
Model: Mariner
Model Series: Boss
Optic Included: No
Overall Length: 39 in
Overall Length: N/A
Receiver Description: Picatinny Rail
Safety: Crossbolt Safety
Sights: Adjustable
Sights: Adjustable Rifle
Sights: Blade Front/Adjustable Rear
Sights: None
Stock: Wood
Stock Description: Fixed
Stock Description: Fixed Walnut
Stock Finish: Brown
Weight: 6.90 lbs
Finishtype: Other Finish