MOSSBERG 590R | 12 Gauge | 18.5″ | FDE | 50756

The Mossberg 590R is a 12-gauge pump-action shotgun built around a stand-off 18.5-inch barrel with an integrated heat shield and Picatinny top rail. It includes an AR-style rotary safety selector, a flat-profile trigger, and a 5-position adjustable stock with an MOE pistol grip for adaptable ergonomics. The platform is configured for security and duty/training applications where reliable pump-action performance and modular accessory mounting are required.

Product Specifications

• The gauge is 12 Gauge.
• The action type is Pump-Action.
• The chamber size is 3 inches.
• The barrel is a stand-off style with an integrated heat shield.
• The barrel measures 18.5 inches.
• The barrel finish is Flat Dark Earth Cerakote.
• The choke configuration is listed as cylinder bore.
• The reported capacity is 6+1.
• The overall length is 36.4 inches.
• The length of pull is 12 to 15.25 inches (adjustable).
• The stock is an AR Mil-Spec adjustable stock with interchangeable recoil pad and MOE pistol grip (black synthetic).
• The trigger is a flat profile trigger for a crisp break.
• The safety is an AR-style rotary safety selector (ambidextrous).
• The firearm includes a top Picatinny rail for optics and accessory mounting.
• The UPC is 015813507561.

This configuration provides a rugged, service-oriented pump-action platform with user-adjustable ergonomics and straightforward accessory compatibility. The combination of a stand-off heat-shielded barrel and top rail makes it practical for training, range duty, and other professional-security uses where durability and modularity matter.