The Mossberg Mariner configuration is a compact, marine-ready pump shotgun built for reliability in corrosive environments and tight spaces. With a short 18.5″ barrel, side-folding stock and an aggressively protected finish, this example balances duty readiness with storage convenience.
MOSSBERG 500 MARINER
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Design and key specifications
This listing (SN: T538128) is a modern-production, 12 gauge pump-action shotgun built on the proven 500 series receiver. It sports an 18.5″ barrel with a bore rated very good, and is chambered for both 2 3/4″ and 3″ shells—offering flexibility between reduced-recoil loads and full-power 3″ defensive rounds. The package includes a side-folding stock with a shortened 14.5″ length of pull, making it ideal for users who need a compact footprint in vehicles or aboard small craft. The Marinecote finish provides enhanced corrosion resistance; the finish here shows wear consistent with use but the rifle is described in overall very good condition. Price is listed at $799.99, and the sale includes a JIC M500 Mariner tube case for secure transport.
Tactical performance and applications
As a pump-action, the 500 platform is valued for mechanical simplicity and reliability under adverse conditions. The 12 gauge delivers substantial terminal performance for home defense, close-quarters security, and maritime patrol roles. An 18.5″ barrel trades a small amount of velocity for maneuverability—useful in tight quarters where longer barrels impede handling. The 14.5″ LOP makes presenting the weapon faster for smaller framed operators or when worn with outer layers and gear.
Accessories and readiness
The included JIC M500 Mariner tube case is a practical touch for transport and storage. The folding stock reduces overall length for stowage in small compartments. Given the Marinecote finish, routine maintenance should focus on wiping salt and moisture away and checking wear points where the finish has been compromised.
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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