The Mossberg 500 JIC Mariner is a compact pump-action shotgun configured for marine environments and close-quarters utility. It features Mossberg’s Marinecote finish on metal surfaces and a rugged black synthetic pistol-grip stock and forearm. The package ships in an international orange water-resistant carrying tube and includes a multi-tool, serrated lock-back knife with Cordura case, and a resealable storage pouch.
Key Specifications
- The gauge is 12 Gauge.
- The barrel measures 18.5 inches.
- The action type is Pump Action.
- The finish is Marinecote (silver/gray style noted).
- The stock is black synthetic in a fixed pistol-grip configuration.
- The overall length is 28.75 inches.
- The unloaded weight is listed as 5.5 lbs.
- The chamber accepts 3″ shells.
- Sights are specified as fixed with a fiber-optic front.
- The kit includes an orange water-resistant carrying tube, shoulder strap, multi-tool, serrated knife, and resealable storage pouch.
This Mariner JIC kit balances compact handling and corrosion-resistant finishes for use around water or in damp conditions. The 18.5″ barrel and pistol-grip configuration make it practical for stowing aboard craft or carrying in environments where space is limited, while the included water-resistant tube and accessory kit provide organized, transportable storage.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
Related Videos:




