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Custom Mossberg 590 Mariner

- BUILDER @C4DEFENSE -

The Mossberg 590 Mariner is a shotgun that has long been recognized for its durability, reliability, and versatility. It's a weapon of choice for many who are looking for a dependable firearm in wet or marine environments, thanks to its specially designed corrosion-resistant finish. But, like any good canvas, the Mossberg 590 Mariner also provides a great starting point for custom modifications that can enhance its aesthetics, functionality, and overall performance.

The Mossberg 590S Mariner Factory. Source: Mossberg.

the factory m590 mariner

The Mossberg 590 Mariner is a meticulously crafted pump-action shotgun tailored for demanding maritime and humid environments. Key technical specifications include:
- Action: Pump-action.
- Gauge: 12 gauge.
- Chamber: Capable of firing both 2.75-inch and 3-inch shells.
- Finish: Marinecote, a specialized finish to prevent rust and corrosion from saltwater exposure.
- Barrel Length: Typically 20 inches, heavy-walled for enhanced durability.
- Capacity: Standard tubular magazine holds 8 rounds (8+1 configuration), though specific models may vary. Sights:
- Bead sight, positioned at the muzzle end, for straightforward target alignment. Options for ghost ring sights are also available in certain models.
- Safety: Top-mounted ambidextrous safety, convenient for both left and right-handed users.
- Overall Length: Approximately 41 inches, depending on specific model and configuration.
- Weight: Roughly 7 pounds, varying slightly based on modifications or specific versions.
- Stock: Synthetic, offering resistance against moisture and rough handling. Some models might come with a pistol grip.
Its design, built on the proven Mossberg 590 platform, emphasizes sturdiness, longevity, and reliable performance, even when subjected to the harshest elements.

the custom build

the stock and fore end

Used in this project

Acknowledging the limited choices available to shotgun enthusiasts who seek a blend of elegance and improved functionality, WOOX presents the GLADIATORE Stock and Fore End Kit, tailored for Mossberg® M88/M500/M590 pump-action shotguns. Crafted from authentic American Walnut and boasting assertive checkering for a steadfast grip, this kit further elevates your firearm's aesthetics and usability. The stock is enhanced with a QD sling attachment point, while the fore end is adorned with M-LOK® rails, making accessorizing a breeze. Additionally, the fore end showcases flared design at both the front and rear, ensuring confident handling. As a special touch, a Fore End Removal Wrench is also included, ensuring hassle-free installation.

xs sights Ghost Ring & Banded Standard Dot Shotgun Bead

Ghost-Ring Shotgun sights are designed for enhanced accuracy at long distances and rapid sight acquisition for close quarters. These sights feature an adjustable windage and elevation Ghost-Ring rear sight with protective wings suitable for challenging terrains. For Mossberg shotguns lacking a front sight base, there's an easily installed Banded Standard Dot Tritium front sight, though it isn't compatible with heavy barrels, only fitting those with a diameter between 0.840" - 0.860". The Shot Rail is crafted from anodized aluminum, compatible with Weaver or Picatinny rings, and offers a straightforward installation. Made from stress-proof steel, the Ghost Ring Rear Sight is precision-machined, while the Standard Dot Banded Front Sight requires minimal gunsmithing and is the optimal choice for upgrading to rifle sights without the need for soldering or refinishing.

Gideon Optics: Alpha Red Dot Reflex Sight

The Alpha dot sight delivers a high-performance open-emitter reflex sight tailored for competition without stretching your budget. Suitable for optics-ready holsters, it features both red and green dots, a 65 MOA circle, and a precise 3MOA center dot for rapid target acquisition. Enhanced by adjustable brightness with ten settings and a battery-saving mode activated by shake-to-awake technology, it's optimal for duty or personal protection. Made from durable 7075-T6 aluminum, the same alloy used in military M-16 rifles, it aligns with Trijicon’s RMR mounting pattern and includes a 1913 Picatinny mount. Its expansive 17.5mm x 27mm lens offers a broad sight picture. Key features include 45 MOA adjustable elevation and windage, parallax-free up to 33 yards, a reticle with ten brightness levels, and 20,000-hour battery life, extendable to 50,000 hours. This motion-sensitive, shockproof, and waterproof sight ensures quick readiness and easy battery replacement. Compact in size and light in weight, the Alpha also comes with a three-year warranty.

The Mossberg 590 Mariner stands tall as an iconic shotgun, favored by many for its ruggedness and reliability. However, the world of customizations opens the door to an array of personalizations, turning this already impressive firearm into a tailored masterpiece. Whether you're aiming for a refined look, improved functionality, or both, there's no limit to what you can achieve with a custom Mossberg 590 Mariner.