Mossberg 590 Mariner 12GA 20" Tactical Shotgun

Mossberg 590 Mariner: Built for Demanding Conditions

The Mossberg 590 Mariner represents a purposeful evolution of America's most trusted pump-action shotgun platform. This 12-gauge is engineered for shooters who demand reliability in challenging environments—whether coastal salt spray, humid climates, or simply the rigors of serious defensive use.

Key Features

• Marinecote Finish: Proprietary corrosion-resistant coating protects barrel and receiver from the elements
• 9-Round Capacity: Extended magazine tube provides adequate ammunition for extended engagements
• Synthetic Stock: Durable, weather-resistant furniture resists moisture and temperature extremes
• Dual Extractors & Twin Action Bars: Proven Mossberg reliability ensures smooth, jam-free operation
• Positive Steel-to-Steel Lockup: Tight mechanical lock-up for consistent performance
• Top-Mounted Safety: Ambidextrous operation for both left and right-handed shooters
• Cylinder Bore Choke: Tight pattern suitable for tactical applications
• Bead Sight: Simple, effective aiming reference
• Pistol Grip Conversion Kit Included: Quickly adapt the shotgun for close-quarters handling

Specifications

• Barrel Length: 20 inches
• Overall Length: 41 inches
• Length of Pull: 13.875 inches (standard stock)
• Gauge: 12
• Chamber: 3 inches

A Serious Tool

The 590 Mariner isn't a compromise. It's a shotgun built for shooters who understand that reliability under stress isn't negotiable. The included pistol grip kit allows you to configure the shotgun for your specific needs—whether that's traditional stock shooting or aggressive tactical handling. A gun lock is also included for secure storage.

This is a working shotgun for working conditions.