The Mossberg 590R Chisel is a pump-action 12 gauge shotgun with an 18.5-inch barrel and cylinder choke. It has a two-tone configuration with a Flat Dark Earth receiver and black furniture, and it ships with a Magpul grip and MBUS sights. Capacity is 6 rounds, and the action uses a rotary safety. 
 

Key Specifications 

• Brand: Mossberg 
• Model: 590R Chisel 
• Caliber: 12 Gauge 
• Action: Pump Action 
• Barrel Length: 18.5 in 
• Capacity: 6+1 
• Color/Finish: Flat Dark Earth / Black 
   

Detailed Features 

• 18.5-inch barrel with cylinder choke 
• Flat Dark Earth receiver with black furniture 
• Magpul pistol grip and MBUS sights included 
• Folding stock configuration 
• Rotary safety and 6-round capacity

Owners of the 590R Chisel respond positively to the factory Magpul package, noting that the grip and MBUS sights are components many buyers would add to a base 590 anyway. The Flat Dark Earth and black two-tone finish is generally well received, with some owners using it as-is and others adding accessories that match the color scheme.

The 18.5-inch barrel keeps the Chisel maneuverable, and the cylinder choke suits the typical use cases owners describe: home defense and close-range work. The folding stock is mentioned frequently, with most owners finding it useful for storage and transport while shooting with it deployed. Pump reliability on the 590 platform draws few complaints across the user base.

On value, the 590R Chisel commands a premium over a base 590 for the factory accessory package. Owners who wanted Magpul components anyway see the math as straightforward. Those who planned to run a different stock or grip sometimes feel they are paying for parts they will replace, which is the most common criticism.