Mossberg 590R 12 Gauge Pump Shotgun, 18.5-Inch Breacher Barrel

The Mossberg 590R is a 12 gauge pump-action shotgun configured with an 18.5-inch stand-off breacher barrel and integrated heat shield. Its adjustable stock, MOE pistol grip, rotary safety selector, and top Picatinny rail provide a practical platform for security applications and general shotgun use.

Key Specifications

• The shotgun uses a pump-action operating system.
• It is chambered for 12 gauge ammunition.
• The chamber accepts shells up to 3 inches.
• The barrel measures 18.5 inches and incorporates an integrated heat shield.
• The barrel has a phosphate finish.
• The stand-off barrel uses a cylinder bore configuration.
• The stock provides five-position adjustment with an interchangeable recoil pad.
• The black synthetic furniture includes a Magpul MOE pistol grip.
• The receiver includes a top Picatinny rail for compatible accessories.
• The shotgun features an ambidextrous rotary safety selector and flat-profile trigger.

With its compact barrel length, adjustable stock, integrated heat shield, and adaptable control layout, the 590R offers a straightforward configuration for owners who prioritize durable construction and practical handling. The combination of a cylinder-bore barrel, synthetic furniture, and accessory-ready rail keeps the platform versatile without adding unnecessary complexity.

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