The Mossberg 590A1 Tactical is a 12 GA pump-action shotgun with a 20" heavy-walled barrel, 3" chamber, and 8+1 capacity. It weighs 7.25 lbs and measures 41" overall. The ghost ring sight system gives fast target acquisition in various lighting conditions. The fixed synthetic stock has a storage compartment for additional shells. Ambidextrous tang safety sits on top of the receiver. The black Parkerized finish resists corrosion and wear. The 590A1 designation means heavy-walled barrel and military-specification components throughout. 
 

Key Specifications 

• SKU: 1794001255 
• UPC: 015813516686 
• Brand: Mossberg 
• Model Name: 590A1 Tactical Shotgun 
• MPN: 51668 
• Chamber: 3" 
• Action: Pump 
• Capacity: 8+1 rounds 
• Barrel Length: 20" 
• Overall Length (OAL): 41" 
• Weight: 7.25 lbs 
• Sights: Ghost Ring 
• Stock Type: Fixed w/Storage Compartment 
• Finish Color: Black Parkerized

The 590A1 Tactical draws consistent praise for reliability and durability. Owners frequently reference the military-grade build and the heavy-walled barrel as reasons they trust it for defensive use. Pump action cycling is described as smooth, and the gun handles a range of shell types without issue.

Capacity at 8+1 rounds is appreciated, and the ghost ring sights get positive feedback for defensive scenarios. The stock storage compartment is practical for keeping spare shells accessible.

Weight at 7.25 lbs comes up in discussions about extended carry or home-defense maneuverability. Recoil management is adequate for most shooters, though first-time shotgun owners may find 12 GA loads demanding. Pricing is viewed as competitive by most, though some budget shoppers compare it to less expensive pump alternatives.