Mossberg 590RM Tactical 12-Gauge Shotgun
The Mossberg 590RM is a pump-action tactical shotgun featuring a revolutionary double-stack magazine system with 10+1 capacity. Built with an 18.5-inch stand-off barrel, integrated heat shield, adjustable stock, and Picatinny rail for optics.
The Modern Tactical Shotgun Standard
The Mossberg 590RM represents a significant evolution in pump-action shotgun design. This 12-gauge delivers the reliability shooters expect from Mossberg while introducing innovative features that set it apart from conventional tactical shotguns.
Key Features
Magazine System
- First-of-its-kind double-stack magazine design
- 10+1 capacity without increasing overall size
- Reliable feeding and quick reloads
Ergonomic Design
- Rotary safety selector for intuitive operation
- Flat-profile trigger for consistent control
- Magpul MOE pistol grip for secure handling
- Compact forend for improved maneuverability
Barrel & Heat Management
- 18.5-inch stand-off barrel with integrated heat shield
- Phosphate finish for durability and corrosion resistance
- Accu-Choke system with cylinder bore choke installed
Adjustability & Customization
- 5-position adjustable stock (12" to 15.25" length of pull)
- Interchangeable recoil pads for comfort
- Two quick-detach ports for sling attachment
- Top Picatinny rail for mounting optics and accessories
Specifications
- Gauge: 12
- Chamber: 2.75 inch
- Action: Pump
- Overall Length: 37 inches
- Weight: 7.9 pounds
- Capacity: 10+1 rounds
Whether for home defense, security work, or tactical training, the 590RM delivers dependable performance with modern features that enhance both capability and control.
Features
- chambered in 12-gauge
- 18.5-inch stand-off barrel with phosphate finish and integrated heat shield
- pump-action with a 2.75-inch chamber for reliability
- 10+1 capacity with a double-stack detachable magazine
- rotary safety selector for quick and ambidextrous use
- flat-profile trigger for crisp and smooth firing
- adjustable 5-position stock with moe pistol grip and interchangeable recoil pad
- magpul mbus 3 adjustable sights for improved targeting
- top picatinny rail for mounting ar-style optics
- enlarged, beveled loading port with exposed follower for quick reloading
- overall length of 37 inches with an adjustable lop of 12"-15.25"
- weighs 7.9 lbs for easy handling in tactical scenarios
- flat profile trigger
- m-lok adapter
- single piece heat shield
