The Mossberg 590M Professional is a pump-action 12 Gauge shotgun with an 18.5-inch barrel and a 10+1 capacity. It has a Tungsten Gray Cerakote barrel paired with a drilled and tapped receiver, and ships with a Magpul SGA stock in black. Ghost ring sights are included on some configurations. 
 

Key Specifications 

• Brand: Mossberg 
• Model: 590M Professional 
• Caliber: 12 Gauge 
• Action: Pump Action 
• Capacity: 10+1 
• Barrel Length: 18.5" 
• Color/Finish: Tungsten Gray Cerakote 
   

Detailed Features 

• Tungsten Gray Cerakote barrel finish 
• Drilled and tapped steel receiver 
• Magpul SGA black stock 
• Ghost ring sight configuration 
• 10+1 round capacity

Owners of the 590M Professional tend to prioritize the detachable box magazine as the headline feature. Reloads are faster than tube-fed configurations, and the 10-round magazine is seen as a practical capacity for the platform. The Tungsten Cerakote finish draws praise for durability, though some owners note it shows handling marks on the barrel end over time.

The Magpul SGA stock is generally well-regarded for its adjustability and solid lockup. Ghost ring sights work well for most users at defensive ranges, though those who mount optics on the drilled receiver find the platform adapts cleanly. Pump reliability on the 590M is not a common complaint.

The 590M Professional carries a premium over standard 590 configurations, and debate centers on whether the box magazine feature justifies the difference. Owners who use it for home defense or competition find the faster reloads worth it. Casual range users sometimes conclude the extra cost over a tube-fed 590 does not match their actual use pattern.