Mossberg 500 JIC Mariner | 12 Gauge | 18.5″ | 52340

The Mossberg 500 JIC Mariner is a compact, kit-configured pump-action 12 gauge shotgun designed for use in maritime or harsh environments. It pairs an 18.5-inch barrel with Mossberg’s Marinecote corrosion-resistant finish and a black synthetic pistol-grip stock for a small, transportable package. The JIC Mariner kit is presented with an orange water-resistant carrying tube and includes a multi-tool and serrated lock-back knife in a Cordura case.

Well-suited for boating and other maritime applications, this kit also serves as an emergency/survival field package thanks to its compact profile and included tools.

Product Specifications

• The make is Mossberg.
• The model is 500 JIC Mariner.
• The gauge is 12 Gauge.
• The action is Pump Action.
• The barrel measures 18.5 inches.
• The overall length is 28.75 inches.
• The unloaded weight is 5.5 lbs.
• The manufacturer-listed capacity varies by source (see notes).
• The chamber accepts cartridges up to 3 inches.
• The finish is Marinecote (Silver).
• The stock material is black synthetic.
• The stock configuration is pistol grip only.
• The sighting is a fiber optic front bead.
• Includes orange water-resistant carrying tube, shoulder strap, and resealable storage pouch plus a multi-tool and serrated lock-back knife in a Cordura case.
• The UPC is 015813523400.

Compact and purpose-built, the 500 JIC Mariner combines a short-barreled Mossberg 500 with corrosion-resistant finishes and a practical accessory kit intended for maritime and emergency use. Its synthetic furniture and Marinecote finish reduce maintenance in wet environments, while the included tube and tools make transport and field use straightforward. The combination of a familiar pump-action platform and survival-oriented accessories makes this kit practical for boaters and expedition-minded shooters who need a durable, compact solution.

Users commonly praise this package for its reliability and the versatility of the Mossberg 500 platform, and many note the Marinecote finish for improved corrosion resistance in maritime conditions.

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