Mossberg 590RM 12 Gauge Pump Shotgun, 18.5 Inch Barrel

Description

We stock the Mossberg 590RM as a 12 gauge pump-action shotgun configured for range and security applications. Its 18.5 inch stand-off barrel incorporates a heat shield, while the adjustable stock and synthetic furniture allow the fit to be tailored to the shooter. The package includes one 10-round magazine.

Key Specifications

• The shotgun uses a pump-action operating system with a familiar manual of arms.
• It is chambered for 12 gauge ammunition with a 2.75 inch chamber.
• The barrel measures 18.5 inches and uses a stand-off design with an integrated heat shield.
• The barrel has a cylinder bore choke configuration for a consistent open-bore setup.
• The stock provides a five-position adjustable length of pull, listed from 12 to 15.25 inches.
• The stock and grip use black synthetic furniture for a straightforward field-ready configuration.
• The receiver is made from aircraft-grade aluminum as listed in the product attributes.
• The shotgun includes one 10-round magazine as part of the package.
• A rotary safety selector provides the stated safety control configuration.
• The design includes a flat-profile trigger and an integrated heat shield.

The adjustable stock gives us a useful way to fit the shotgun to different users and shooting positions. Its compact forend, synthetic construction, and stand-off barrel keep the design focused on practical handling and straightforward maintenance. The cylinder bore setup and 2.75 inch chamber define the configuration without adding unsupported claims about performance. For shooters seeking a pump-action shotgun with an adjustable stock and integrated barrel heat shield, the Mossberg 590RM keeps those features together in one package.