Overview
The Mossberg 590A1 PRO 12 Gauge is engineered for professional-grade performance and uncompromising reliability in demanding environments. Adhering to stringent MIL-SPEC standards, this pump-action shotgun integrates a heavy-walled barrel, robust construction, and a corrosion-resistant finish, ensuring operational integrity under adverse conditions. Its optics-ready configuration further enhances its utility, providing immediate capability for modern aiming systems.
Key Features
Robust Construction and Finish
The 590A1 PRO features a heavy-walled 18.5-inch barrel, critical for mitigating heat and maintaining accuracy during high-volume engagement. Its all-metal receiver and trigger guard contribute to exceptional durability, a hallmark of the 590A1 series. The “Marine” designation signifies a specialized corrosion-resistant finish, offering superior protection against moisture, saltwater, and harsh chemical exposure, thereby extending the firearm’s service life in challenging climates.
Optics Integration
This variant is configured as “Optics Ready” (OR), featuring a factory-installed Picatinny rail. This allows for direct, secure mounting of red dot sights, low-power variable optics, or other aiming devices without requiring additional modifications. The integrated rail optimizes target acquisition speed and engagement precision, making the platform highly adaptable to various tactical scenarios.
Operational Reliability and Ergonomics
The proven 590A1 pump action ensures consistent and reliable cycling, even with a wide range of ammunition types. Ergonomics are optimized for rapid and intuitive manipulation, including an ambidextrous tang safety and an anti-jam elevator. The heavy-duty components throughout the action contribute to its reputation for exceptional service life and consistent performance under stress.
Technical Specifications
- **Model:** Mossberg 590A1 PRO
- **Action:** Pump Action
- **Gauge:** 12 Gauge
- **Barrel Length:** 18.5 inches
- **Chamber:** 3 inches
- **Capacity:** 6+1 Rounds (2.75″ Shells)
- **Finish:** Marine-grade corrosion-resistant finish
- **Receiver Material:** Aluminum Alloy
- **Sights:** Optics Ready (Integrated Picatinny Rail)
- **Stock/Forend:** Synthetic
- **Category:** Pump Action Shotguns









