MOSSBERG 590 PERSUADER - 12 GA - 3" - 20" - 8+1 - BLACK
$542.69 - $614.69
MOSSBERG 590 MARINER - 12 GA - 3" - 20" - 8+1 - STAINLESS
Mossberg
$739.69 - $861.69
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Mossberg
MOSSBERG 590 MARINER - 12 GA - 3" - 20" - 8+1 - STAINLESS
The Mossberg 590 Mariner 12-Gauge Pump-Action Shotgun brings legendary 590 reliability to harsh, corrosive environments — making it an exceptional choice for maritime, coastal, and all-weather home defense applications. Built on Mossberg's battle-tested 590 platform with a corrosion-resistant Marinecote finish, this 20-inch barreled shotgun delivers serious stopping power with an 8+1 round capacity.
- Marinecote stainless finish resists corrosion in salt air and wet conditions
- 8+1 capacity in 12-gauge 3-inch chamber for maximum defensive firepower
- Dual extractors and twin action bars ensure reliable, jam-resistant cycling
- Top-mounted ambidextrous safety for fast, instinctive operation under stress
- Positive steel-to-steel lockup delivers consistent, rock-solid accuracy
- Anti-jam elevator prevents double-feeds and keeps rounds feeding smoothly
Who This Is For
The Mossberg 590 Mariner is purpose-built for gun owners who need a dependable home-defense or truck shotgun that can handle moisture, humidity, and rough handling without complaint. It's equally well-suited for coastal residents, boaters, hunters in wet climates, and anyone who wants a proven military- and law-enforcement-pedigreed shotgun that simply will not quit — regardless of conditions.
Specifications
| Brand | Mossberg |
|---|---|
| Model | 590 Mariner |
| Gauge | 12 Gauge |
| Chamber | 3 Inch (2¾" and 3" shells) |
| Barrel Length | 20 Inches |
| Capacity | 8+1 Rounds |
| Action | Pump Action |
| Finish | Marinecote (Corrosion-Resistant Stainless) |
| Safety | Top-Mounted Ambidextrous Tang Safety |
| Stock | Synthetic |
| Overall Length | Approx. 41 Inches |
| Weight | Approx. 7.25 lbs (unloaded) |
| Country of Origin | USA |
Frequently Asked Questions
What makes the Mossberg 590 Mariner different from a standard 590?
The key distinction is the Marinecote finish applied to the metal components. Marinecote is a corrosion-resistant coating bonded over stainless steel, specifically engineered to withstand prolonged exposure to moisture, salt air, and humid environments where a standard blued or parkerized finish would quickly rust or degrade. The action, reliability features, and overall platform remain identical to the proven military-specification 590.
What types of 12-gauge ammunition can the 590 Mariner fire?
The 590 Mariner's 3-inch chamber accepts both standard 2¾-inch and 3-inch 12-gauge shells, giving you flexibility to run everything from low-recoil birdshot and buckshot to full-power 3-inch magnum loads. For home defense, 00 buckshot in 2¾-inch or 3-inch loads is the most popular choice. Slugs are also compatible and effective for longer-range defensive use.
Is the Mossberg 590 Mariner compatible with aftermarket accessories?
Yes. The 590 Mariner is one of the most accessory-friendly shotguns on the market. It accepts a wide range of Mossberg 500/590-compatible stocks, pistol grip kits, forends, magazine tube extensions, sling mounts, and rail systems. Its Picatinny-compatible receiver area also supports lights and optics with the appropriate mounting hardware, making it highly customizable for both defensive and tactical applications.
- Caliber:
- 12 GA
- Color:
- Black
- Barrel Length:
- 20"
- Chamber:
- 3"
- Sights:
- Bead
- Capacity:
- 8+1
- Stock:
- Fixed
- Action:
- Pump
- Type of Barrel:
- Cylinder
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