The Mossberg 590A1 delivers military-grade reliability in a pump-action shotgun built to exceed demanding tactical and home defense requirements. This 12-gauge platform features a 20-inch heavy-walled barrel and 6+1 shell capacity, providing the stopping power and versatility that made it the U.S. military's choice for close-quarters combat.
What Makes This Different
Unlike standard sporting shotguns, the 590A1 incorporates a heavy-walled barrel that withstands the stress of continuous firing and accepts bayonet attachments. The dual extractors and positive steel-to-steel lockup ensure reliable cycling under adverse conditions. Military specification components throughout the action deliver consistent performance where lighter-duty shotguns fail.
Key Features
- Heavy-walled 20-inch barrel rated for continuous duty use
- Dual extractors for positive shell extraction in all conditions
- Metal trigger guard and safety button for enhanced durability
- Ghost ring sights for rapid target acquisition
- Parkerized finish provides corrosion resistance
- Bayonet lug for tactical applications
- Speed-feed stock compatible with most tactical accessories
Field performance demonstrates the 590A1's capability across multiple roles from breaching operations to wildlife management. The action cycles smoothly with everything from light target loads to 3-inch magnum shells. Corrosion-resistant Parkerized finish maintains function in saltwater environments and extreme weather conditions that compromise lesser firearms.
Technical Specs
- Gauge: 12
- Barrel Length: 20 inches
- Overall Length: 41 inches
- Capacity: 6+1 rounds
- Chamber: 3-inch
- Choke: Cylinder bore
- Stock: Synthetic black
- Weight: Approximately 7 lbs
- Finish: Parkerized
- Country of Origin: USA
The 590A1 represents proven engineering that has earned military contracts worldwide. Its combination of reliability, durability, and tactical versatility makes it the logical choice for serious applications where failure is not an option.