Mossberg 590R 12 Gauge 18.5in Stand-Off Tactical

The Mossberg 590R is a 12 gauge pump-action shotgun configured with an 18.5-inch stand-off breacher barrel and an integrated heat shield. It includes an ambidextrous rotary safety selector, a five-position adjustable stock with Magpul MOE pistol grip and an interchangeable recoil pad, and a top Picatinny rail for optics. Chambered to accept 3-inch shells, the 590R is built for security and tactical applications where durability and modularity matter.

Key Specifications

• The gauge is 12 Gauge.
• The action is pump-action.
• The barrel length is 18.5 inches.
• The barrel is a stand-off breacher with integrated heat shield.
• The chamber accepts 3-inch shells.
• The finish is parkerized.
• The stock features a 5-position adjustable stock with Magpul MOE pistol grip and interchangeable recoil pad.
• The safety is an ambidextrous rotary selector.
• Optics and accessories mount to a top Picatinny rail.
• The unloaded weight is approximately 7.1 lbs.

With its service-oriented ergonomics, corrosion-resistant finish, and an accessory-ready receiver, the 590R is designed to serve reliably in demanding environments. The combination of an adjustable stock, ergonomic MOE grip, and optic-ready rail gives operators a straightforward platform for mission-specific setups and practical day-to-day use.