Mossberg 590R 12 Gauge 18.5″ Pump-Action Shotgun

The Mossberg 590R is a 12 gauge pump-action shotgun designed for security and tactical applications. It is built around an 18.5-inch barrel with an integrated heat shield and a top Picatinny rail for mounting optics. Ergonomic features include a 5-position adjustable stock with a Magpul MOE pistol grip and Magpul MBUS 3 folding sights for consistent, practical field use.

Key Specifications

• This shotgun is chambered in 12 Gauge.
• It uses a pump-action operating system for reliable manual cycling.
• The barrel measures 18.5 inches and incorporates an integrated heat shield.
• It accepts a maximum chamber length of 3 inches.
• Equipped with Magpul MBUS 3 adjustable sights for dependable sighting options.
• The stock is a 5-position adjustable design paired with a Magpul MOE pistol grip.
• A top Picatinny rail is provided for AR-style optics and accessories.
• Features an ambidextrous rotary safety selector for bilateral operation.
• The unloaded weight is approximately 7.1 pounds.
• The receiver is constructed from aircraft-grade aluminum and is drilled and tapped.

With a focus on durability, ergonomics, and modularity, the Mossberg 590R suits owners seeking a no-nonsense, configurable platform for security and defensive applications. Its combination of a heat-shielded barrel, adjustable stock, and accessory-ready rail makes it a practical choice for users who prioritize reliability and straightforward functionality.